Question

The molal elevation constant is the ratio of elevation in boiling point to

molarity
boiling point of pure liquid
mole fraction of solute
molality of solution

Answer 1

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The answer is " molality of solution"


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Answer 2

Answer: Molality of solution

Explanation:

Due to solute presence in the solution, the solution's boiling point is greater than the pure solvent's boiling point. This is called as elevation in boiling point and it can be represented as:

$\Delta T_{b}=K_{b} \times \text {molality}$

Here,

$\Delta T_{b} = \text{Elevation in boiling point}$

$K_b$ = Molal boiling point elevation constant

Hence, we can say that molal elevation constant is the ratio of $\Delta T_{b}$ (elevation in the boiling point) and molality.

$K_{b}=\frac{T_{b}}{\text { Molality }}$