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Question

In which of the following reactions does NH3 act as an acid ?


A

NH3 + H+ NH4+

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B

NH3 + Na NaNH2 + 12 H2

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C

NH3 + HCl NH4Cl

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D

None of these

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Solution

The correct option is B

NH3 + Na NaNH2 + 12 H2


In the following reaction, NH3 changes to NaNH3 which contains NH2 ion. This means that NH3 has donated a proton to Na and hence acts as an acid.


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