STANDARDChemistry-Solutions

STANDARD Chemistry Colligative Properties MCQ Question

Type: MCQ-conceptual-Medium-Class 12

The unit of ebullioscopic constant is

A

K kg mol⁻¹ or K (molality)⁻¹

B

mol kg K⁻¹ or K⁻¹ (molality)

C

kg mol⁻¹ K⁻¹ or K⁻¹ (molality)⁻¹

D

K mol kg⁻¹ or K (molality)

Correct Answer

Option A

Detailed Explanation

The ebullioscopic constant has units of K kg mol⁻¹, which indicates the change in boiling point per molal concentration of solute.

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