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Evaluate the following statements for their correctness.
A. The elevation in boiling point temperature of water will be same for 0.1MNaCl and 0.1M urea.
B. Azeotropic mixtures boil without change in their composition.
C. Osmosis always takes place from hypertonic to hypotonic solution.
D. The density of 32% \mathrm{H_{2}SO_{4}} solution having molarity 4.09M is approximately 1.26 g mL−1.
E. A negatively charged sol is obtained when \mathrm{KI} solution is added to silver nitrate solution.
Choose the correct answer from the options given below :
 

Option: 1

A, B and D only


Option: 2

B and D only


Option: 3

B, D and E only

 


Option: 4

A and C only


Answers (1)

best_answer

(A) Value of i is different for both the solutions.
(B) True
(C) Osmosic takes place from hypotonic to hypertonic solution.

(D) \mathrm{d}=\frac{100}{\frac{1000}{4.09} \times \frac{32}{98}} \cong 1.26 \mathrm{gm} / \mathrm{ml}

(E) Positively charged sol will be form.

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Kuldeep Maurya

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