A non-volatile electrolyte dissolved in an aqueous solution in the same molal proportion as a non-electrolyte gives

the same colligative effect

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higher colligative effect

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lower colligative effect

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no colligative effect

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Solution

The correct option is B higher colligative effect
Explanation: This is because electrolyte dissociates in aqueous solution to give ions. So the number of particles are more and hence it has high colligative effect than non-electrolyte (which does not dissociate).

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Similar questions

Q. The colligative properties of a colloidal solution compared to the solution of non-electrolyte of same concentration will be:

Q. The experimental values of colligative properties of many solutes in solution resembles calculated values of colligative properties.
However in some cases, the experimental values of colligative properties differ widely than those obtained by calculations. Such experimental values of colligative properties are known as abnormal values of colligative properties. The causes for abnormal values of colligative properties are:
(i) Dissociation of solute: It increases the colligative properties.
e.g.: Dissociation of

KCl, NaCl

etc. in

H_{2} O

.
(ii) Association of solute: It decreases the colligative properties.
e.g.: Dimerisation of acetic acid in benzene.

If the degree of dissociation of an electrolyte

A_{2} B_{3}

is 25% in a solvent, then:

Q. Addition of a non-volatile solute to a solvent always increases the colligative property such as

π, \frac{Δ P}{P^{\circ}}, Δ T_{b}

and

Δ T_{f}

. All these colligative properties are directly proportional to the molality. The increase in colligative properties is due to increase in number of solute particles.
If relative decrease in vapour pressure is 0.4 for a solution containing 1 mole NaCl in 3 moles of

H_{2} O

, then what is the percentage ionization of NaCl?

Question 35
Colligative properties are observed when .......... .
(a) a non-volatile solid is dissolved in a volatile liquid
(b) a non-volatile liquid is dissolved in another volatile liquid
(c) a gas is dissolved in non-volatile liquid
(d) a volatile liquid is dissolved in another volatile liquid

Q. (A) Vapour pressure is a colligative property.
(R) Colligative property depends on the number of solute particles dissolved in the solution.

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A non-volatile electrolyte dissolved in an aqueous solution in the same molal proportion as a non-electrolyte gives

The correct option is B higher colligative effectExplanation: This is because electrolyte dissociates in aqueous solution to give ions. So the number of particles are more and hence it has high colligative effect than non-electrolyte (which does not dissociate).

The correct option is B higher colligative effect
Explanation: This is because electrolyte dissociates in aqueous solution to give ions. So the number of particles are more and hence it has high colligative effect than non-electrolyte (which does not dissociate).