MCQ
The correct order of $K_a$ in aqueous solution at $298\, K$.
- A$H_2O > H_2S > H_2Se > H_2Te$
- B$H_2Te > H_2Se > H_2S > H_2O$
- C$H_2O > H_2Te > H_2Se > H_2S$
- ✓None of these
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(Given $R=2.0 \mathrm{cal} \mathrm{K}^{-1} \mathrm{~mol}^{-1}$ )
$n = 3, l = 1$ and $m = {-1}$