Evaluate the following statements for their correctness. A. The elevation in boiling point temperature of water will be same for 0.1 M NaCl and 0.1 M urea. B. Azeotropic mixture boil without change in

Question

Evaluate the following statements for their correctness. A. The elevation in boiling point temperature of water will be same for 0.1 M NaCl and 0.1 M urea. B. Azeotropic mixture boil without change in their composition. C. Osmosis always takes place from hypertonic to hypotonic solution. D. The density of 32% H2SO4 solution having molarity 4.09 M is approximately 1.26 g mL–1. E. A negatively charged sol is obtained when KI solution is added to silver nitrate solution. Choose the correct answer from the options given below :

(A) B and D only
(B) B, D and E only
(C) A and C only
(D) A, B and C only

Prashant Kotian · Accepted Answer

Correct answer: A. (A) Tb is not same, as ‘i’ value is different for two solutions. (B) Azeotropic mixture : Liquid mixtures which distill over without changes in composition are called constant boiling mixtures or Azeotropes or Azeotropic mixtures. (C) Osmosis takes place from hypotonic to hypertonic. (D) M = 26 . 10    4.09 M (E) When KI is added to AgNO3 solution then positively charged sol is formed,

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