Which of the following is a Lewis acid but not a Bronsted acid?

1. $\mathrm{HSO}_4^{-}$
2. $\mathrm{HNO}_3$
3. $\mathrm{NH}_3$
4. $\mathrm{BCl}_3$

Solution

Electron deficient compound therefore Lewis acid

Asked in: MHT CET 2022 (10 Aug Shift 2)

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