Question
$\mathrm{NaCl}_3$ gets hydrolysed while $\mathrm{NF}_3$ does not, why?
✓
Answer
In $\mathrm{NCl}_3$, 'Cl' has vacan d-orbitals to accept a lone pair of electrons Donated by O of $\mathrm{H}_2 \mathrm{O}$, molecule but in $\mathrm{NF}_3$, 'F' does not d-orbitals.
$\text{NCl}_3+3\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ }\text{NH}_3+3\text{HCl}$
$\text{NF}_3+\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ \ \ }\text{No reaction}$.
$\text{NCl}_3+3\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ }\text{NH}_3+3\text{HCl}$
$\text{NF}_3+\text{H}_2\text{O}\xrightarrow{\ \ \ \ \ \ \ \ }\text{No reaction}$.
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