CBSE 2022 · Region 2 · Set 1 · Q3 · 2 marks

(i)

State Kohlrausch's law of independent migration of ions.

(ii)

Calculate the degree of dissociation ( $\displaystyle \alpha$ ) of $\displaystyle \mathrm{CH}_{3} \mathrm{COOH}$ if $\displaystyle \mathbf{\Lambda}_{\mathrm{m}}$ and $\displaystyle \mathbf{\Lambda}_{\mathrm{m}}^{\mathrm{o}}$ of $\displaystyle \mathrm{CH}_{3} \mathrm{COOH}$ are $\displaystyle 48 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$ and $\displaystyle 400 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$ respectively.

CBSE Class 12 Chemistry past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.