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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| List $-I$ | List $-II$ |
| $(A)$ Benzaldehyde | $(i)$ Phenolphthalein |
| $(B)$ Phthalic anhydride | $(ii)$ Benzoincondensation |
| $(C)$ Phenyl benzoate | $(iii)$ Oil of wintergreen |
| $(D)$ Methyl salicylate | $(iv)$ Friesre arrangement |
$(At. No. Ti = 22, V = 23, Cr = 24, Mn=25)$