pBlock ElementsII - Result Question 95
####91. Give reasons in one or two sentences.
Ammonium chloride is acidic in liquid ammonia solvent.
(1991, 1M)
Show Answer
Solution:
- Ammonia, in liquid state undergo self-ionisation as :
$$ 2 NH _3 \rightleftharpoons NH _4^{+}+NH _2^{-} $$
Thus, addition of $NH _4 Cl$ to liquid ammonia increases concentration of $NH _4^{+}$in solution and $NH _4 Cl$ act as acid.
