The products formed when heavy water is reacted with magnesium nitride, are
The products formed when heavy water is reacted with magnesium nitride, are
$\mathrm{NH}_3, \mathrm{Mg}(\mathrm{OH})_2$
$\mathrm{NH}_3, \mathrm{Mg}(\mathrm{OD})_2$
$\mathrm{ND}_3, \mathrm{Mg}(\mathrm{OH})_2$
$\mathrm{ND}_3, \mathrm{Mg}(\mathrm{OD})_2$
Solution
When heavy water is reacted with magnesium nitride $\mathrm{Mg}(\mathrm{OD})_2$ and $\mathrm{ND}_3$ are formed.
$
\mathrm{Mg}_3 \mathrm{~N}_2+6 \mathrm{D}_2 \mathrm{O} \longrightarrow 3 \mathrm{Mg}(\mathrm{OD})_2+2 \mathrm{ND}_3
$