Moist NH, can be dried over which compound? - Vidyadip

Question

Moist NH, can be dried over which compound?

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Answer

CaO because others react with $\mathrm{NH}_3 . \mathrm{CaCl}_2$, forms $\mathrm{CaCl}_2 .8 \mathrm{NH} 3$ Conc. $\mathrm{H}_2 \mathrm{SO}_4$ forms $\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 . \mathrm{P}_2 \mathrm{O}_5$ forms $\left(\mathrm{NH}_4\right)_3 \mathrm{PO}_4$.

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