A solute A dimerizes in water. The boiling point of a 2 molal solution of \( \mathrm{A} \) is \( 100.52^{\circ} \mathrm{C} \). The percentage association of \( A \) is ____ (Round off to the Nearest Integer). [Use: \( \mathrm{K}_{\mathrm{b}} \) for water \( =0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1} \)

Boiling point of water \( \left.=100^{\circ} \mathrm{C}\right] \)

[JEE Main 2021, 18 Mar (Shift 2)]

Question

A solute A dimerizes in water. The boiling point of a 2 molal solution of \( \mathrm{A} \) is \( 100.52^{\circ} \mathrm{C} \). The percentage association of \( A \) is ____ (Round off to the Nearest Integer). [Use: \( \mathrm{K}_{\mathrm{b}} \) for water \( =0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1} \)

Boiling point of water \( \left.=100^{\circ} \mathrm{C}\right] \)

[JEE Main 2021, 18 Mar (Shift 2)]

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A solute A dimerizes in water. The boiling point of a 2 molal solution of \( \mathrm{A} \) is \( 100.52^{\circ} \mathrm{…

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