Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is/are

A. 1 M aq. NaCl and 2 M aq. urea

B. 1 M aq. and 1.5 M aq. KCl

C. 1

Question

Consider the following pairs of solution which will be isotonic at the same temperature. The number of pairs of solutions is/are

A. 1 M aq. NaCl and 2 M aq. urea

B. 1 M aq.  and 1.5 M aq. KCl

C. 1.5 M aq.  and 2 M aq.

D. 2.5 M aq. KCl and 1 M aq.

Canvas Classes · Accepted Answer

Strategy:
 Identify the definitions of colligative properties. Boiling point elevation depends on the number of non-volatile particles in a volatile solvent.

Correct Statement:
Elevation in boiling point is directly proportional to the molal concentration of the solute ().

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