A solution containing 10 ~g of an electrolyte AB₂ in 100 ~g of water boils at 100.52^(°) C. The degree of ionization of the electrolyte (α) is _ _ _ _ _ × 10⁻¹. (nearest integer) [Given: Molar mass of AB₂=200 ~g ~mol⁻¹, ~K b (molal boiling point elevation const. of water) =0.52 ~K ~kg ~mol⁻¹, boiling point of water =100^(°) C; AB₂ ionises as AB₂ → A²⁺+2 ~B⁻]

Solutions: JEE Main 2024 Chemistry question

JEE Main 2024 · 8 Apr, Morning shift · Q17

JEE Main 20248 Apr, Morning shiftChemistryHardSolutions71× since 2002

A solution containing

10 \mathrm{~g}

of an electrolyte

\mathrm{AB}_2

100 \mathrm{~g}

of water boils at

100.52^{\circ} \mathrm{C}

. The degree of ionization of the electrolyte

(\alpha)

is _________

\times 10^{-1}

. (nearest integer) [Given : Molar mass of

\mathrm{AB}_2=200 \mathrm{~g} \mathrm{~mol}^{-1}, \mathrm{~K}_{\mathrm{b}}

(molal boiling point elevation const. of water)

=0.52 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}

, boiling point of water

=100^{\circ} \mathrm{C} ; \mathrm{AB}_2

ionises as

\mathrm{AB}_2 \rightarrow \mathrm{A}^{2+}+2 \mathrm{~B}^{-}]

Your answerType your answer. Integers and decimals are accepted.