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Question

Which of the following acids will not evolve H2 gas on reaction with alkali metals?

A
Hydrazoic acid
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B
Perxenic acid
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C
Boric acid
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D
None of these
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Solution

The correct option is C None of these
Alkali metals release N2 with hydrazoic acid.

Alkali metals do not release H2 with the other two acids.

So, the correct option is D

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