pBlock ElementsII - Result Question 95

####91. Give reasons in one or two sentences.

Ammonium chloride is acidic in liquid ammonia solvent.

(1991, 1M)

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Solution:

  1. Ammonia, in liquid state undergo self-ionisation as :

2NH3NH4++NH2

Thus, addition of NH4Cl to liquid ammonia increases concentration of NH4+in solution and NH4Cl act as acid.



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