Multiple choice

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

  1. NH3 + H+ → NH4+

  2. NH3 + Na → NaNH2 + ½ H2

  3. NH3 + HCl → NH4Cl

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct as we know that acids always donate a proton and in the given reaction NH3 changes to NaNH2 which contains NH2- ion. This means that NH3 has donated a proton to Na. Hence, acts as an acid.

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