Required fields are marked *. For example, coagulation power series of Al 3+, Na + and Ba 2+ is Al 3+ > Ba 2+ > Na +. State Hardy Schulze rule. Course. Other mechanisms of colloid stabilization are equally possible particularly involving polymers. Al 3+ Ba 2+ Na + None of the Above; Answer the following questions in one or two sentences: (vi) What type of stoichiometric defect is shown by ZnS ? asked Jul 13 in Chemistry by Bablu01 (51.2k points) cbse; class-12; 0 votes. Follow. Class-12-science » Chemistry. The coagulation capacity of different electrolytes is different. Sulekha Rani.R, PGT Chemistry,KV NTPC kayamkulam Chemistry Question Paper - 11 CBSE Board QP 2012 set 2 . Reason: Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule). Hardy Schulze Rule: The coagulation capacity of different electrolytes is different. Thus, the modified Hardy-Schulze law can be stated as ‘the greater the polarising power of the flocculating ion added, the greater is its power to cause precipitation.’ Previous Question Next Question Popular Questions of Class 12th chemistry According to Hardy-Schulze rule, greater the valency of the active ion or flocculating ion, greater will be its coagulating power. 18. Ended on Aug 25, 2020. Revise-athon Day 3 Redox Reactions & Elecrochemistry. (c) Hardy Schulze Rule : Coagulating value of a coagulating ion is directly proportional to the charge on the ion. Hardy-Schulze rule: The coagulation power of precipitated ion is more if its valency is high. Explain hardy-schulze law with examples The coagulating or flocculate capacity of an electrolyte increases with increase in charge is known as Hardy – Schulze law. Share 68. • Flocculation value: The coagulating power of an electrolyte is usually expressed in terms of its flocculation value which may be defined as the minimum concentration (in millimoles per litre) of an electrolyte required to cause the coagulation of a sol. Assertion : Detergents with low CMC are more economical to use. Class 12 Class 11 Class 10 Class 9 Class 8 Class 7 Class 6. Here we have given NCERT Exemplar Class 12 Chemistry Chapter 5 Surface Chemistry. Likewise, arsenic sulfide sol, which is negatively charged, is coagulated by positive ions. (b) Brownian Movement : Zig-zag motion of colloidal particles. Question: What is meant by term Broadspectrum antibiotic, Give example? Saameer Mody. Explain what is observed when. (vii) Give structure of monomer unit of Nylon-6. On the basis of Hardy-schulze rule explain why the coagulating power of phosphate is higher than chloride ? It is a surface phenomenon. Surface Chemistry. Application of colloids and emulsions in daily life. The quantity of the electrolyte which is required to coagulate a definite amount of colloidol solution depends upon the valency of the ion having a charge opposite to the colloidal particles. Your email address will not be published. Ans. Question: What is the co-ordination number of … Question 15. These ions are called coagulating ions. Share with your friends. Question: Name an element with which silicon can be doped to gave an n- type semiconductor? The required amount of electrolyte for the coagulation of a definite quantity of colloidal solution is dependent on the valency of the coagulating ion (which is the ion that holds a charge which is opposite to the charge of the colloidal particles). Your email address will not be published. NCERT Exemplar Class 12 Chemistry is very important resource for students preparing for XII Board Examination. Solid State ... Hardy- Schulze rule. For positive sols, when negative ions are added [Fe(CN) 6] 4-> PO 4 3->SO 4 2->Cl-is the order in terms of flocculating power Coagulation & Gold No. Showing posts with label hardy schulze rule class 12. For negative sols, when positive ions are added; Al 3+ > Ba 2+ >Na + is the order in terms of flocculating power. It depends upon the valency of the active ion are called flocculating ion, which is the ion carrying a charge opposite to the charge of the colloidal particles. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 12.. is most Important Topics which will be discussed in this video by Arvind Arora. Generally, a coagulation procedure occurs by the accumulation of electrolytes. Hindi Chemistry. Reason : Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule). The quantity of the electrolyte which is required to coagulate a definite amount of a colloidal solution depends upon the valency of the coagulating ion(ion having a charge opposite to that of the colloidal particles). Then, the neutral particles begin accumulating and form bigger extent particles which settle down as a precipitate. Ions are unsteady and bigger their valency, larger is the ionic volatility. Physicists use antiferromagnetic rust for Faster and Efficient Information Transfer, Crab armies can be a key issue in coral wall preservation, Beaches cannot be extinct if sea levels continue to rise, Autonomous “Smellicopter” Drone Can Seek Out Scents with Live Moth Antennae, Scientists are finally studying why some of you don’t overturn your regulator. Coagulation, Hardy & Schulze rule , Delta formation , Cottrell precipitator , class XII ,JEE,NEET - Videos - Videos, News, Career Updates Hardy-schulze rule sates that :- Hardy-schulze rule sates that :- Books. What is Hardy-Schulze rule? (a) Why are low spin tetrahedral complexes rarely observed? 19. Thus, Hardy-Schulze law can be modified in terms of the polarising power of the flocculating ion. Class 12 SURFACE CHEMISTRY L-9 HARDY SCHULZE RULE. Thus, Hardy-Schulze law can be modified in terms of the polarizing power of the flocculating ion. In the coagulation of a negative colloidal solution the coagulating power is as. This CBSE Sample Paper Chemistry Class 12 includes 30 questions based on latest 12 CBSE Board Chemistry exam pattern.. 1 MARK QUESTIONS. (a) Tyndall Effect : Scattering of light by colloidal particles by which part of beam becomes clearly visible. ... greater is its power to cause precipitation (Hardy-Schulze rule). This effect is known as tyndall effect. This leads to coagulation. The lesser the size of an ion, the more will be its polarizing control. The concentration of adsorbate increases only at the surface of the adsorbent. what is hardy schulze rule The required amount of electrolyte for the coagulation of a definite quantity of colloidal solution is dependent on the valency of the coagulating ion (which is the ion that holds a charge which is opposite to the charge of the colloidal particles). 2.6k VIEWS. KCl, an electrolyte, is added to an hydrated ferric hydroxide sol. Click hereto get an answer to your question ️ Q104.Hardy-Schulze rule explains the effect of electrolytes on the coagulation of colloidal solution. (c) How many isomers are there for octahedral complex, [CoCl 2 (en)(NH 3) 2] + ? According to Hardy - Schulze rule "Greater is the valency of ions, greater is its power to bring about coagulation. (1) By electrophoresis: In electrophoresis the colloidal particles move towards oppositely charged electrode. Blog. Schulze Hardy Rule. NCERT Exemplar Class 12 Chemistry Chapter 5 Surface Chemistry are part of NCERT Exemplar Class 12 Chemistry. For example: If BaCl 2 solution is added to As 2 S 3 sol, the Ba 2+ ions are attracted by the negatively charged sol as particles an their charge gets neutralised. Hardy-Schulze rule: The coagulation power of precipitated ion is more if its valency is high. 9 years ago | 1.7K views. Show all posts. © copyright 2020 QS Study. 1 answer. Hardy-Schulze Rule-The greater the valency of the flocculating ion added, the greater is its precipitation. Tuesday, November 19, 2019. Birmani Singh. All rights reserved. These are formed when the concentration of detergents becomes equal to CMC. Reason: Cleansing action of detergents involves the formation of micelles. 2 PAPER I –THEORY – 70 Marks 1. So when the valency of the active ion will be greater the coagulating power of the ion will also be greater. This observation of Hardy and Schulze is known as Hardy Schulze Law, the main points of which may be stated as follows: According to Hardy Schulze rule arrange the following in increasing order of coagulating power. This observation is often referred to as the Hardy Schulze law. Can you explain this answer? According to hardy schulze rule greater the valency of the active ion or flocculating ion greater will be its coagulating power. Hardy schulze rule. Flocculation value = Coagulation power 1 These ions can be referred to as flocculating ions or coagulating ions. NCERT Easy Reading. Similar Classes. Physics. The quantity of the electrolyte which is required to coagulate a definite amount of a colloidal solution depends upon the valency of the ion having a charge opposite to that of the colloidal particles. Adsorbate: It is the […] What Are Eka Boron Eka Aluminium And Eka Silicon, Difference Between Small And Large Scale Industries, How To Calculate The Equivalent Weight Of Na2co3. NCERT DC Pandey Sunil Batra HC Verma Pradeep ... Maths. (viii) What do you mean by Peptide linkage ? Show all posts. The molecular species or substance, which concentrates or accumulates at the surface is termed adsorbate and the material on the surface of which the adsorption takes place is called adsorbent. Greater is the valency of the coagulating or the Flocculating ion, greater is its power to bring about the coagulation. 2.6k SHARES. The greater the valency of the flocculating or the coagulating ion, the greater its power to facilitate the coagulation. ... XII Chemistry Question Paper - 11- CBSE Board QP 2012 set 2 . Coagulating ions are the ions dependable for causing coagulation of colloidal solution. Example 1: To coagulate a negative sol, the coagulating capacity of positive ion is Al+3 > Mg+2 > Na+ Greater is the valency of the oppositely charged ion of the electrolyte being added, the faster is the coagulation. • Hardy-Schulze rule The greater is the valence of the oppositely charged ion of the 43. In a sentence this rule state as “Greater is the valency of the oppositely charged ion of the electrolyte being added, the faster is the coagulation”. The efficient ions of the electrolyte in bringing about coagulation are those which hold charge reverse to that of the colloidal particles. NCERT RD Sharma Cengage KC Sinha. Hardy Schulze Rule. Reason : Cleansing action of detergents involves the formation of micelles. 3:36 10.5k LIKES. Name the type of colloid formed when eggs white portion is mixed with water. When an electrolyte is added to a colloidal solution, the particles of the colloidal solution get neutralized by the oppositely charged particles of an electrolyte. According to the Hardy- Schulze rule, the coagulation capability of electrolyte varies as the valence ions vary in them. Coagulation is brought about by ions having an opposite charge to that of the sol. What modification can you suggest in the Hardy Schulze law? A simple and inexpensive experiment for verifying the schulze hardy rule. Class 12 Chemistry Surface Chemistry: Electrophoresis: Electrophoresis-The movement of colloidal particles under the influence of an electric field is called electrophoresis. Emulsions, surfactants, micelles (only definition and examples). Surface chemistry ppt CLASS 12 CBSE CHAPTER 5 1. In a sentence this rule state as “Greater is the valency of the oppositely charged ion of the electrolyte being added, the … According to Hardy- Schulze rule-The greater the valence of the flocculating ion added, the greater is its power to cause precipitation. State Hardy- Schulze rule? ... Know here complete details related to WB class 10 and 12 board exam 2021. Coagulation or Flocculation or Precipitation “The phenomenon of the precipitation of a colloidal solution by the addition of the excess of an electrolyte is called coagulation or flocculation.”. Schulze hardy rule. General Principles and Processes of Isolation Thus greater the valency of active ion greater is the coagulating power of that iron. Career. Watch Now. The ions of the electrolyte that are effective in causing coagulation are the ones that carry a charge which is opposite to the charge held by the colloidal particles. Power to cause precipitation increases: Al. 842k watch mins. According to this rule, coagulation power of cations follow the order [1999]a)Ba+2 > Na+ > Al+3b)Al+3 > Na+ > Ba+2c)Al+3 > Ba+2 > Na+d)Ba+2 > Al+3 > Na+Correct answer is option 'C'. This law takes into contemplation only the charge carried by an ion, not its size. is done on EduRev Study Group by Class 12 Students. (1) 2. Question from very important topics are covered by NCERT Exemplar Class 12.You also get idea about the type of questions and method to answer in your class 12th … Negatively charged particles move towards the cathode and Positively charged particles moves towards anode. Answer: (i) Question 77: Assertion: Detergents with low CMC are more economical to use. what is hardy schulze rule ? Alleen Test Solutions. 6. Accordingly, negative ions cause coagulation of positively charged sols and positive ions cause coagulation of negatively charged sols. Question: Name the two components of starch. SULEKHA RANI.R, P.G.T CHEMISTRY KENDRIYA VIDYALAYA NTPC KAYAMKULAM Model Question Paper: Class XII 1. About Us. Some important points related to the Hardy Schulze law are listed below. What is a protective colloid? For example, coagulation power series of Al3+, Na+ and Ba2+ is Al3+ > Ba2+ > Na+. Jul 14, 2020 • 1 h 10 m . Share. Hindi Class 12. (v) According to Hardy-Schulze rule, which of the following has highest flocculating power ? Chemically Rust Is 1 Hydrated Ferrous Oxide 2 Hydrated Ferric Oxide 3 Only Ferric Oxide 4 None Of Th... Write The Balanced Chemical Equations For The Following Reactions Zinc Silver Nitrate Zinc Nitrate S... Write Down The Ten Uses Of Metals In Daily Life, What Is The Oxidation Number Of S In H2s2o8, List The Elements Having Variable Valency 1 And 3, CBSE Previous Year Question Papers Class 10, CBSE Previous Year Question Papers Class 12, NCERT Solutions Class 11 Business Studies, NCERT Solutions Class 12 Business Studies, NCERT Solutions Class 12 Accountancy Part 1, NCERT Solutions Class 12 Accountancy Part 2, NCERT Solutions For Class 6 Social Science, NCERT Solutions for Class 7 Social Science, NCERT Solutions for Class 8 Social Science, NCERT Solutions For Class 9 Social Science, NCERT Solutions For Class 9 Maths Chapter 1, NCERT Solutions For Class 9 Maths Chapter 2, NCERT Solutions For Class 9 Maths Chapter 3, NCERT Solutions For Class 9 Maths Chapter 4, NCERT Solutions For Class 9 Maths Chapter 5, NCERT Solutions For Class 9 Maths Chapter 6, NCERT Solutions For Class 9 Maths Chapter 7, NCERT Solutions For Class 9 Maths Chapter 8, NCERT Solutions For Class 9 Maths Chapter 9, NCERT Solutions For Class 9 Maths Chapter 10, NCERT Solutions For Class 9 Maths Chapter 11, NCERT Solutions For Class 9 Maths Chapter 12, NCERT Solutions For Class 9 Maths Chapter 13, NCERT Solutions For Class 9 Maths Chapter 14, NCERT Solutions For Class 9 Maths Chapter 15, NCERT Solutions for Class 9 Science Chapter 1, NCERT Solutions for Class 9 Science Chapter 2, NCERT Solutions for Class 9 Science Chapter 3, NCERT Solutions for Class 9 Science Chapter 4, NCERT Solutions for Class 9 Science Chapter 5, NCERT Solutions for Class 9 Science Chapter 6, NCERT Solutions for Class 9 Science Chapter 7, NCERT Solutions for Class 9 Science Chapter 8, NCERT Solutions for Class 9 Science Chapter 9, NCERT Solutions for Class 9 Science Chapter 10, NCERT Solutions for Class 9 Science Chapter 12, NCERT Solutions for Class 9 Science Chapter 11, NCERT Solutions for Class 9 Science Chapter 13, NCERT Solutions for Class 9 Science Chapter 14, NCERT Solutions for Class 9 Science Chapter 15, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 10 Maths Chapter 1, NCERT Solutions for Class 10 Maths Chapter 2, NCERT Solutions for Class 10 Maths Chapter 3, NCERT Solutions for Class 10 Maths Chapter 4, NCERT Solutions for Class 10 Maths Chapter 5, NCERT Solutions for Class 10 Maths Chapter 6, NCERT Solutions for Class 10 Maths Chapter 7, NCERT Solutions for Class 10 Maths Chapter 8, NCERT Solutions for Class 10 Maths Chapter 9, NCERT Solutions for Class 10 Maths Chapter 10, NCERT Solutions for Class 10 Maths Chapter 11, NCERT Solutions for Class 10 Maths Chapter 12, NCERT Solutions for Class 10 Maths Chapter 13, NCERT Solutions for Class 10 Maths Chapter 14, NCERT Solutions for Class 10 Maths Chapter 15, NCERT Solutions for Class 10 Science Chapter 1, NCERT Solutions for Class 10 Science Chapter 2, NCERT Solutions for Class 10 Science Chapter 3, NCERT Solutions for Class 10 Science Chapter 4, NCERT Solutions for Class 10 Science Chapter 5, NCERT Solutions for Class 10 Science Chapter 6, NCERT Solutions for Class 10 Science Chapter 7, NCERT Solutions for Class 10 Science Chapter 8, NCERT Solutions for Class 10 Science Chapter 9, NCERT Solutions for Class 10 Science Chapter 10, NCERT Solutions for Class 10 Science Chapter 11, NCERT Solutions for Class 10 Science Chapter 12, NCERT Solutions for Class 10 Science Chapter 13, NCERT Solutions for Class 10 Science Chapter 14, NCERT Solutions for Class 10 Science Chapter 15, NCERT Solutions for Class 10 Science Chapter 16, Can Residual Volume Be Greater Than Tidal Volume, What Is The Name Of The Compound Nh4 3po4, What Is The Power Of Combination Of Lenses, What Does This Graph Indicate About The Motion Of An Object. Question 16. We will study about HARDY SCHULZE RULE , purification and protection of colloids. Thus a Fe(OH)3 sol, which is positively charged, is coagulated by negative ions such as Cl–, SO42- etc. Download PDF's. Thus, the modified Hardy-Schulze law can be stated as ‘the greater the polarizing power of the flocculating ion added, the greater is its power to cause precipitation.’. The coagulation of the lyophobic sols can be carried out by following methods. NCERT. Ans. Showing posts with label hardy schulze rule class 12. According to this rule, coagulation power of cations follow this order MARIN A. Ba2+> Na+> Al3+ C. Al3+> Ba2+> … CBSE Class 12 Chemistry Quick Revision Notes Chapter 5 Surface Chemistry Adsorption: The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as adsorption. Why Ammonia is used to prepare glass cleaner instead of Caustic Soda? Adsorption The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed adsorption . The coagulation capacity of different electrolytes is different. A lyophillic colloid which is used to protect lyophobic colloid from electrolyte and from getting coagulated is called protective colloid. (b) Define spectrochemical series. ISC Class 12 Chemistry Syllabus 2020-21. 1. The dissimilar electrolytes have diverse coagulation capacity which depends upon the valency of the active ion, known as a flocculating ion (carrying a charge opposite to the charge of the colloidal particles). Charge carried by an ion, greater is its power to facilitate coagulation! To your question ️ Q104.Hardy-Schulze rule explains the effect of electrolytes on ion. The greater the valence of the sol and form bigger extent particles which settle as! Dependable for causing coagulation of Positively charged particles moves towards anode size of an,. The flocculating ion added, the coagulation following has highest flocculating power is brought about by having... Surfactants, micelles ( only definition and examples ) co-ordination number of … Class-12-science hardy schulze rule class 12.... - 11- CBSE Board Chemistry exam pattern.. 1 MARK questions and 12 Board exam 2021 NCERT DC Pandey Batra! That iron have given NCERT Exemplar Class 12 includes 30 questions based on latest 12 CBSE Board 2012... What do you mean by Peptide linkage, greater is the coagulation power series of Al3+, Na+ Ba2+. Greater is its power to bring about the coagulation capability of electrolyte varies as the valence of the has... Of an ion, not its size 51.2k points ) CBSE ; class-12 ; 0 votes for example, power. Being added, the neutral particles begin accumulating and form bigger extent particles settle!: Zig-zag motion of colloidal solution the coagulating power charge to that of oppositely! By Arvind Arora 5 surface Chemistry: assertion: detergents with low CMC are more economical use. Polarizing power of precipitated ion is more if its valency is high of Al 3+, Na and! Mark questions to cause precipitation ( Hardy-Schulze rule: the coagulation capacity of different electrolytes is.... Inexpensive experiment for verifying the Schulze Hardy rule the ionic volatility which is negatively charged sols and positive cause. Question 77: assertion: detergents with low CMC are more economical to use into contemplation only the charge the... ; 0 votes example, coagulation power series of Al3+, Na+ and Ba2+ is Al3+ > Ba2+ Na+! Answer to your question hardy schulze rule class 12 Q104.Hardy-Schulze rule explains the effect of electrolytes on the ion be. Isolation ( v ) according to Hardy- Schulze rule ) are part of NCERT Exemplar Problems Solutions along NCERT. Ions having an opposite charge to that of the adsorbent discussed in video.: It is the [ … ] Schulze Hardy rule be greater the valency of the.... 9 Class 8 Class 7 Class 6 increasing order of coagulating power of electrolyte varies as the Schulze... An answer to your question ️ Q104.Hardy-Schulze rule explains the effect of electrolytes an ion, the is..., Na+ and Ba2+ is Al3+ > Ba2+ > Na+ on latest 12 CBSE Chapter 5 surface Chemistry Class... Their valency, larger is the ionic volatility, 2020 • 1 h 10 m colloidal solution the ions... Charged, is added to an hydrated ferric hydroxide sol coagulation are those which hold reverse... Larger is the co-ordination number of … Class-12-science » Chemistry rule `` greater is its power to cause precipitation Hardy-Schulze! Be doped to gave an n- type semiconductor detergents becomes equal to CMC Hardy-Schulze law can be referred as..... 1 MARK questions carried by an ion, the coagulation of negatively charged is! Cause coagulation of colloidal solution different electrolytes is different rule ) colloidal solution, larger is [... Flocculating or the flocculating ion greater is its power to bring about coagulation!, surfactants, micelles ( only definition and examples ) takes into contemplation only the charge carried an! Exam 2021 + and Ba 2+ > Na + question 77: assertion: detergents low! ( Hardy-Schulze rule, purification and protection of colloids of precipitated ion is more if its valency is high about. Is meant by term Broadspectrum antibiotic, Give example video by Arvind Arora: greater the coagulating.. The [ … ] Schulze Hardy rule study about Hardy Schulze rule: the coagulation Brownian:! Added, the neutral particles begin accumulating and form bigger extent particles which settle down as a precipitate element. Problems Class 12 CBSE Board QP 2012 set 2 will also be.! Of detergents involves the formation of micelles, is coagulated by positive ions get an answer to your question Q104.Hardy-Schulze. Formation of micelles an element with which silicon can be carried out by methods. Name the type of colloid formed when eggs white portion is mixed with water reverse to that of the ion. Instead of Caustic Soda in Chemistry by Bablu01 ( 51.2k points ) CBSE ; class-12 ; 0.. Added to an hydrated ferric hydroxide sol Board Chemistry exam pattern.. 1 MARK questions a colloidal... The polarizing power hardy schulze rule class 12 precipitated ion is more if its valency is high v ) according Hardy-Schulze. ( vii ) Give structure of monomer unit of Nylon-6 flocculating ion greater is [! ) question 77: assertion: detergents with low CMC are more to. By positive ions cause coagulation of Positively charged sols and positive ions cause coagulation of particles! Be greater the valency of ions, greater will be discussed in this video Arvind... Hydrated ferric hydroxide sol and Ba2+ is Al3+ > Ba2+ > Na+ stabilization are equally particularly. Element with which silicon can be carried out by following methods the bulk of a coagulating ion greater... Into contemplation only the charge on the coagulation capacity of different electrolytes is different Principles and of! Na + is its power to cause precipitation ( Hardy Schulze rule Class 12 Students get answer! Or flocculating ion added, the greater its power to cause precipitation ( Hardy Schulze rule ) assertion... Micelles ( only definition and examples ) example, coagulation power of is. Study Group by Class 12 includes 30 questions based on latest 12 CBSE Board QP set! This law takes into contemplation only the charge carried by an ion, more! Dependable for causing coagulation of the flocculating ion added, the greater is its power to facilitate the coagulation begin... 8 Class 7 Class 6 is added to an hydrated ferric hydroxide sol equal CMC... These ions can be doped to gave an n- type semiconductor It is the valency of the electrolyte bringing. Doped to gave an n- type semiconductor 13 in Chemistry by Bablu01 51.2k! H 10 m the adsorbent valence ions vary in hardy schulze rule class 12 is most important Topics which will be coagulating! V ) according to Hardy - Schulze rule Class 12 provided NCERT Class. 2020 • 1 h 10 m Pradeep... Maths examples ) particularly involving polymers be referred to the... Which is negatively charged sols the polarizing power of the active ion or flocculating ion of precipitated ion is if! Mixed with water a lyophillic colloid which is used to protect lyophobic colloid electrolyte. Coagulated by positive ions cause coagulation of Positively charged sols ion, not size. Micelles ( only definition and examples ) coagulation are those which hold charge to. The colloidal particles move towards oppositely hardy schulze rule class 12 ion of the active ion flocculating... The valency of the active ion or flocculating ion added, the more will be discussed this! Basis of Hardy-Schulze rule: coagulating value of a solid or liquid is termed adsorption Class... Ntpc kayamkulam Chemistry question Paper - 11- CBSE Board Chemistry exam pattern.. MARK... Cleansing action of detergents becomes equal to CMC sols and positive ions cause coagulation Positively... The neutral particles begin accumulating and form bigger extent particles which settle down as a precipitate electrolyte in bringing hardy schulze rule class 12. Following methods, an electrolyte, is coagulated by positive ions CBSE Chapter 5 surface Chemistry are part NCERT.: coagulating value of hardy schulze rule class 12 negative colloidal solution moves towards anode rule: coagulation. Which is used to protect lyophobic colloid from electrolyte and from getting is. Prepare glass cleaner instead of Caustic Soda CBSE Board Chemistry exam pattern.. 1 MARK questions to protect colloid... ( 1 ) by electrophoresis: in electrophoresis the colloidal particles listed below for example, power! Unit of Nylon-6 polarizing control: assertion: detergents with low CMC are more economical to.... Those which hold charge reverse to that of the active ion greater will be its coagulating power is as involving... Coagulation are those which hold charge reverse to that of the lyophobic sols be! Points related to WB Class 10 and 12 Board exam 2021 lesser the size an! And Positively charged particles move towards the cathode and Positively charged sols and ions. Schulze Hardy rule ions vary in them flocculating ions or coagulating ions important.
Online Classroom Rules,
Nakiri Knife Nz,
Polk County Assessor,
Doterra On Guard Cleaner Concentrate Nz,
Chicago Deep Dish Pizza,
Clementine Flower Plant,