NEET levelSingle correct optionDifficulty 1 of 3so169
The molal elevation constant Kb of a liquid depends on
Athe nature of the solute only
Bthe mass of solute dissolved
Cboth the solvent and the solute
Dthe nature of the solvent only
Answer: D
Kb=1000ΔvapHRTb2M1 involves only the boiling point, molar mass and enthalpy of vaporisation of the solvent. It does not depend on what the solute is or how much is dissolved.