Which among the following is an example of salt of weak acid and strong base?

Which among the following is an example of salt of weak acid and strong base?
  1. $\mathrm{Na}_2 \mathrm{So}_4$
  2. $\mathrm{NH}_4 \mathrm{CN}$
  3. KCN
  4. KCl

Solution

$\mathrm{KCN}$ is a salt of $\mathrm{KOH}(\mathrm{SB})$ and $\mathrm{HCN}$ (WA)

Asked in: MHT CET 2022 (08 Aug Shift 1)

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