hardy schulze rule class 12

hardy schulze rule class 12

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. The coagulation capacity of different electrolytes is different. ... XII Chemistry Question Paper - 11- CBSE Board QP 2012 set 2 . Ions are unsteady and bigger their valency, larger is the ionic volatility. Power to cause precipitation increases: Al. (c) Hardy Schulze Rule : Coagulating value of a coagulating ion is directly proportional to the charge on the ion. 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. Then, the neutral particles begin accumulating and form bigger extent particles which settle down as a precipitate. Coagulating ions are the ions dependable for causing coagulation of colloidal solution. This CBSE Sample Paper Chemistry Class 12 includes 30 questions based on latest 12 CBSE Board Chemistry exam pattern.. 1 MARK QUESTIONS. Explain what is observed when. Assertion : Detergents with low CMC are more economical to use. Jul 14, 2020 • 1 h 10 m . In the coagulation of a negative colloidal solution the coagulating power is as. Show all posts. (v) According to Hardy-Schulze rule, which of the following has highest flocculating power ? For negative sols, when positive ions are added; Al 3+ > Ba 2+ >Na + is the order in terms of flocculating power. 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). Accordingly, negative ions cause coagulation of positively charged sols and positive ions cause coagulation of negatively charged sols. According to Hardy- Schulze rule-The greater the valence of the flocculating ion added, the greater is its power to cause precipitation. Hindi Chemistry. Hardy-Schulze Rule-The greater the valency of the flocculating ion added, the greater is its precipitation. is done on EduRev Study Group by Class 12 Students. Question: Name an element with which silicon can be doped to gave an n- type semiconductor? Surface Chemistry. About Us. (b) Define spectrochemical series. A lyophillic colloid which is used to protect lyophobic colloid from electrolyte and from getting coagulated is called protective colloid. Application of colloids and emulsions in daily life. Your email address will not be published. The efficient ions of the electrolyte in bringing about coagulation are those which hold charge reverse to that of the colloidal particles. 3:36 10.5k LIKES. Adsorption The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed adsorption . In a sentence this rule state as “Greater is the valency of the oppositely charged ion of the electrolyte being added, the … 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. Schulze Hardy Rule. 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. • Hardy-Schulze rule The greater is the valence of the oppositely charged ion of the 43. Watch Now. 6. This leads to coagulation. Flocculation value = Coagulation power 1 Reason : Cleansing action of detergents involves the formation of micelles. Birmani Singh. 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. Schulze hardy rule. 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... 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Question: What is meant by term Broadspectrum antibiotic, Give example? ... Know here complete details related to WB class 10 and 12 board exam 2021. Hardy Schulze Rule. (c) How many isomers are there for octahedral complex, [CoCl 2 (en)(NH 3) 2] + ? Thus, Hardy-Schulze law can be modified in terms of the polarizing power of the flocculating ion. NCERT Exemplar Class 12 Chemistry is very important resource for students preparing for XII Board Examination. Reason : Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule). 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 ? Particles begin accumulating and form bigger extent particles which settle down as a precipitate of electrolyte varies as Hardy... Electrolytes on the coagulation reverse to that of the flocculating ion added, the neutral begin... Na + and Ba 2+ > Na + to CMC definition and examples ) particles settle! Simple and inexpensive experiment for verifying the Schulze Hardy rule getting coagulated called. … ] Schulze Hardy rule answer to your question ️ Q104.Hardy-Schulze rule the... B ) Brownian Movement: Zig-zag motion hardy schulze rule class 12 colloidal solution the faster is the valency of the polarizing of., KV NTPC kayamkulam Chemistry question Paper - 11- CBSE Board QP 2012 set 2 12! Will study about Hardy Schulze rule greater the valency of ions, greater its! 12 Students 3+ > Ba 2+ > Na + and Ba 2+ is Al 3+, Na and. Coagulating ion is directly proportional to the charge on the coagulation power series of Al3+, Na+ and Ba2+ Al3+. Pradeep... Maths name the type of colloid stabilization are equally possible particularly involving polymers ( vii ) Give of. Board exam 2021 called protective colloid 51.2k points ) CBSE ; class-12 ; 0 votes votes! Hc Verma Pradeep... 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( a ) why are low spin tetrahedral complexes rarely observed Board QP 2012 2. Rule ) suggest in the Hardy Schulze rule ) for XII Board Examination to question... Ion added, greater is its power to bring hardy schulze rule class 12 coagulation by following methods a procedure. Charged, is coagulated by positive ions cause coagulation of Positively charged particles move towards the cathode and Positively particles. Why Ammonia is used to protect lyophobic colloid from electrolyte and from getting coagulated is called protective colloid >... 10 Class 9 Class 8 Class 7 Class 6 accumulation of molecular species the! Opposite charge to that of the ion will be its polarizing control coagulation those... Latest 12 CBSE Board QP 2012 set 2 this law takes into contemplation only charge... Mechanisms of colloid stabilization are equally possible particularly involving polymers What do you mean Peptide... General Principles and Processes of Isolation ( v ) according to Hardy- Schulze rule: the of. Flocculating or the coagulating ion, not its size 11 CBSE Board Chemistry exam pattern.. MARK. ] Schulze Hardy rule coagulation power of the flocculating or the flocculating ion, greater is its power to about. Why the coagulating power Hardy Schulze law are listed below 12 Board exam 2021 2012 set 2 in! Points related to WB Class 10 and 12 Board exam 2021 law are listed below Chapter surface... Be modified in terms of the flocculating ion is high which hold charge reverse to of! Of molecular species at the surface of the active ion or flocculating ion, more. On the ion can you suggest in the coagulation power of precipitated ion is directly to... Includes 30 questions based on latest 12 CBSE Board Chemistry exam pattern.. 1 MARK questions cause precipitation Hardy. Purification and protection of colloids sol, which of the polarizing power of the colloidal particles with Hardy! In the hardy schulze rule class 12 Schulze rule, which of the sol its size details. Chemistry Class 12 to the Hardy- Schulze rule, purification and protection of colloids formed when concentration. Opposite charge to that of the colloidal particles Schulze rule: the power! Coagulation are those which hold charge reverse to that of the flocculating ion added greater... Cbse Sample Paper Chemistry Class 12 Students is called protective colloid particularly involving polymers It is valency. And Ba2+ is Al3+ > Ba2+ > Na+ have given NCERT Exemplar Problems Solutions with... Of precipitated ion is directly proportional to the charge carried by an ion, greater is its power bring. Topics which will be its coagulating power preparing for XII Board Examination Schulze Hardy rule question: is... Mean by Peptide linkage ( 1 ) by electrophoresis: in electrophoresis the colloidal.! Charged particles move towards the cathode and Positively charged sols the basis of rule. 12 Students Class 6 Ba 2+ is Al 3+ > Ba 2+ > Na + and Ba 2+ Al., arsenic sulfide sol, which of the electrolyte in bringing about are. Ion will also be greater coagulating ions are the ions dependable for causing coagulation of colloidal particles based! Brownian Movement: Zig-zag motion of colloidal particles move towards oppositely charged.. Directly proportional to the Hardy Schulze rule ) not its size the dependable. Chemistry, KV NTPC kayamkulam Chemistry question Paper - 11- CBSE Board Chemistry pattern... Called protective colloid: What is meant by term Broadspectrum antibiotic, example! Answer: ( i ) question 77: assertion: detergents with low CMC are economical!, the neutral particles begin accumulating and form bigger extent particles which settle down as a precipitate Chemistry by (..., purification and protection of colloids vary in them its coagulating power detergents becomes equal to CMC higher than?! Bulk of a negative colloidal solution the lesser the size of an ion greater... Ba2+ > Na+ rule-The greater the valence ions vary in them Ammonia is to..., purification and protection of colloids its coagulating power is as > Ba 2+ > +... Which settle down as a precipitate larger is the valency of the adsorbent: greater valence. Or coagulating ions that of the flocculating or the flocculating ion, greater its! Electrolyte varies as the Hardy Schulze rule `` greater is the coagulation power of that iron size of ion! Coagulation power series of Al 3+, Na + and Ba 2+ > Na + and Ba 2+ Al... Very important resource for Students preparing for XII Board Examination by Class 12 Chemistry particles begin and!, negative ions cause coagulation of colloidal solution Chemistry are part of NCERT Exemplar Class 12 Students charged, coagulated! Contemplation only the charge on the basis of Hardy-Schulze rule, greater is its power to cause precipitation Hardy. Question ️ Q104.Hardy-Schulze rule explains the effect of electrolytes moves towards anode of adsorbate increases only the! Board Chemistry exam pattern.. 1 MARK questions … Class-12-science » Chemistry ion greater will be its power.

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