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Coagulating power of electrolytes

WebApr 5, 2024 · Coagulation power is inversely proportional to coagulation value. Hence the option 2 is correct. Note: An electrolyte is a substance that produces an electrically … WebThe coagulating power of electrolytes having ions Na+, Al3+ and Ba2+ for arsenic sulphide sol increases in the order: from Chemistry Surface Chemistry Surface …

Which of the following has maximum coagulation power with …

WebThe coagulation values in millimoles per litre of the electrolytes used for the coagulation of As2S3 are given below:I. (NaCl) = 52 II. (BaCl2) = 0.69 III. (MgSO4) = 0.22 The correct order of their coagulating power is : … WebIt is to be noted that a smaller flocculation value indicates the greater coagulating power of the electrolyte. Thus. Some other methods for causing coagulation: The most commonly used method for causing … speedy 75017 https://ashleywebbyoga.com

MCQs for NCERT Class 12 Chemistry Chapter 5 Surface Chemistry

WebIn most cases, coagulation occurs as a result of the accumulation of electrolytes in the bloodstream. In the presence of an electrolyte, the particles of a colloidal solution are neutralised by the particles of an electrolyte that have opposite charges to the particles of the colloidal solution. WebThe coagulation value in millimoles per liter of electrolytes used for the coagulation of A g 2 O 3 are as given I. N a C l = 5 2 II. K C l = 5 III. B a C l 2 = 0. 6 9 IV. M g S O 4 = 0. 2 2 The correct order of their coagulating power is : Stability of lyophilic sol depends on the following two factors 1. Charge on the colloidal particles 2. Solvationof the colloidal particles When the charge and solation layers are disturbed or removed, are removed then only lyophilic sols can be coagulated. This can be done by either adding an electrolyteor a … See more Substances like metals, their sulfides etc cannot be simply mixed with the dispersion medium to form a colloidal solution. Some special methods are used to make their … See more According to Hardy Schulze law, the quantity of electrolyte required to coagulate a definite amount of colloidal solution depends upon the valency of the coagulating ion. 1. The coagulating ions are the ions of … See more The process of coagulation can be carried out in the following ways: 1. By electrophoresis: In this method, the colloidal particles are forced to move towards the … See more speedy 76

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Category:Solved Question 1 a) Schulze-Hardy rule states that a) - Chegg

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Coagulating power of electrolytes

The coagulation power of electrolytes having ions Na^+,Al^3

WebTheir coagulating power of electrolyte should be in which of the following order: (A) NaCl > BaCl2 > AlCl3 (B) BaCl2 > AlCl3 > NaCl (C) AlCl3 > BaCl2 > NaCl (D) BaCl2 > NaCl > AlCl3 7. Which of the following is most effective in coagulating a ferric hydroxide sol (A) KCl (B) KNO2 (C) K2SO4 (D) K3(Fe(CN)6) 8.

Coagulating power of electrolytes

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WebThe coagulating power of electrolytes having ions Na +, Al 3+ and Ba 2+ for arsenic sulphide sol increases in the order: A. Na + < Ba 2+ < Al 3+. B. Al 3+ < Ba 2+ < Na +. C. … WebThe coagulating power of electrolytes is thus shown to depend on the electric potential on the surface of the colloidal particle (lji 0), the valency of the coagu

WebCorrect option is A) The coagulating power of an ion depends on both magnitude and sign of the charge on the ion. The ions of the opposite sign of the charge to those present on the surface of the particles cause the precipitation of the particles. Thus, positively charged ions of the electrolyte will coagulate negatively charged particles. WebApr 5, 2024 · 2) Coagulating power of an electrolyte is directly proportional to the fourth power of the valency of the active ions (ions causing coagulation). Greater is the valency …

WebThe ions in the electrolyte that cause the colloid to coagulate are referred to as flocculating or coagulating ions, depending on their function. Hardy and Schulze discovered that the … WebMar 2, 2024 · When we add electrolytes the Coagulation process starts. When we add an electrolyte to a colloidal solution, the particles of the sol will take up the ions which are oppositely charged and will get neutralized. The ion responsible for the neutralization of charge on the colloidal particles is called coagulating ion or flocculation ion.

WebThe coagulating power of electrolytes having ions N a +, ... More is the coagulation value of electrolyte, its coagulation power is _____ . 1. more 2. less 3. unchanged 4. none of the above. Choose the correct answer. Medium. View solution > For the coagulation of …

WebJan 18, 2024 · Colloids can be converted into precipitates on the addition of electrolytes. Name the above phenomenon. What do you mean by coagulating value? Answer: Coagulation. The minimum concentration of an electrolyte in millimoles per liter required to cause precipitation of a sol in two hours is called coagulating value. Question 2. speedy 78210WebApr 8, 2024 · Other than adding an electrolyte to the solution the following methods are also used to achieve coagulation: Electrophoresis: In this process, the charged colloidal particles shift to the oppositely charged electrode and get discharged. This leads to the coagulation of the colloidal solution. speedy 78600WebElectrolyte with minimum coagulation power has maximum flocculation value or we can say electrolyte with maximum coagulation power has minimum flocculation value. Coagulation value depends on the valency of the ions. ... The ions of the electrolyte which cause the colloid to coagulate are called flocculating or coagulating ions. What is the ... speedy 78WebApr 5, 2024 · Coagulation power is inversely proportional to coagulation value. Hence the option 2 is correct. Note: An electrolyte is a substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water. The dissolved electrolyte separates into cations and anions, which disperse uniformly through the … speedy 78700WebThe coagulation power of electrolytes having ions Na +,Al 3+ and Ba 2+ for arsenic sulphide sol increases in the order: Medium View solution > Which out of the following … speedy 78180WebCoagulation of Colloids by Electrolytes. Ar.TUOUGH the impurities present in a colloid con siderably modify its behaviour as regards coagulation by electrolytes, tho importance of this point... speedy 77WebApr 7, 2024 · Coagulation process is also referred to as precipitation and flocculation and this process is carried out by the electrolytes which are added to the solution. Hardy-Schulze rule: If The valency of oppositely charged ions of the electrolyte being added is greater, faster is the coagulation. speedy 8 av. des griffons 33560 carbon-blanc