P-Block Elements Ques 577
Question: $ P_4O_{10} $ is not used to dry $ NH_3 $ gas because
Options:
A) $ P_4O_{10} $ reacts with moisture in $ NH_3 $ .
B) $ P_4O_{10} $ is not a drying agent.
C) $ P_4O_{10} $ is acidic and $ NH_3 $ is basic.
D) $ P_4O_{10} $ is basic and $ NH_3 $ is acidic.
Show Answer
Answer:
Correct Answer: C
Solution:
$ \underset{Acidic}{\mathop{P_4O_{10}}}+2H_2O\xrightarrow{{}}\underset{\begin{smallmatrix} metaphosphoric \\ acid \end{smallmatrix}}{\mathop{4HPO_3}} $ $ \xrightarrow[basic]{NH_3}\underset{\begin{smallmatrix} metaammonium \\ phosphate \end{smallmatrix}}{\mathop{NH_4PO_3}} $
