Question

Comprehension type MCQ.

( Answer the questions on the basis of the passage 1 and 2 )

Passage 1:

The values of the colligative properties of solutions of electrolytes obtained from experiments are

generally higher than those calculated from there is stoichiometric molarity or molality.

1. Relation between degree of dissociation(x) and van't Hoff factor(i) is:

a.x= i-1/n-1 b. x= n(1-i)/n-1 c. x= i-1 d. all of these

2. When i< 1

a. dissociation of salt b. association of salt c. both a & b d. none of these

3. Dissociation of sodium chloride in aqueous solution has:

a. i=2 b. b. i <2 c. x= 1 d. both c. & a.

4. Which one is an antifreeze:

a. Ethylene glycol b. Ethylene c.Ethanol d. Methanol​

Answer 1

Answer:

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