Match List-I with List-II. List-I List-II (Colloid Preparation Method) (Chemical Reaction) (a) Hydrolysis (i) 2AuCI3 + 3HCHO + 3H2O 2Au(sol) + 3HCOOH + 6HCl (b) Reduction (ii) As2O3 + 3H2S As2S3(sol)

Question

Match List-I with List-II. List-I List-II (Colloid Preparation Method) (Chemical Reaction) (a) Hydrolysis (i) 2AuCI3 + 3HCHO + 3H2O 2Au(sol) + 3HCOOH + 6HCl (b) Reduction (ii) As2O3 + 3H2S As2S3(sol) + 3H2O (c) Oxidation (iii) SO2 + 2H2S 3S(soI) + 2H2O (d) Double Decomposition (iv) FeCI3 + 3H2O Fe(OH)3(sol) + 3HCl Choose the most appropriate answer from the options given helow: lwph-I dk feyku lwph-II ls djsa % lwph-I lwph-II (dksykWbM ds fuekZ.kdh fof/k;k¡) (jklk;fud vfHkfØ;k,¡) (a) ty vi?kVu (i) 2AuCI3 + 3HCHO + 3H2O 2Au(sol) + 3HCOOH + 6HCl (b) vip;u (ii) As2O3 + 3H2S As2S3(sol) + 3H2O (c) vkWDlhdj.k (iii) SO2 + 2H2S 3S(soI) + 2H2O (d) f}d vi?kVu (iv) FeCI3 + 3H2O Fe(OH)3(sol) + 3HCl uhps fn, x, fodYiksa esa ls lokZf/kd mfpr mÙkj pqusa %

(A) (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
(B) (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
(C) (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
(D) (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)

Prashant Kotian · Accepted Answer

Correct answer: B

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