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Question

Which of the following when dissolved in water will liberate ammonia ?


A
NaNO3
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B
NaNO2
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C
NaNH2
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D
Na3N
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Solution

The correct options are
C $${Na NH_2}$$
D $${Na_3N}$$
Reactions:
$$Na_3N+ 3H_2O \rightarrow 3NaOH + NH_3$$
$$H_2O+NaNO_3\rightarrow H_2O+NaOH+NO$$
$$NaNH_2+H_2O(hot) \rightarrow NaOH + NH_3$$
$$NaNO_2 + H_2O \rightarrow HNO_2 + NaOH$$

Chemistry

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