Answer to Question #89536 in Inorganic Chemistry for Dinesh

Question #89536
Why SnCl2 dissolves in HCl but not in ammonia .
1
Expert's answer
2019-05-13T04:59:36-0400

Tin(II) chloride can dissolve in less than its own mass of water without apparent decomposition, but as the solution is diluted, hydrolysis occurs to form an insoluble basic salt:

"SnCl2 (aq) + H2O (l) \u21cc Sn(OH)Cl (s) + HCl (aq)"

Therefore, if clear solutions of tin(II) chloride are to be used, it must be dissolved in hydrochloric acid (typically of the same or greater molarity as the stannous chloride) to maintain the equilibrium towards the left-hand side (using Le Chatelier's principle).

Sources: https://en.m.wikipedia.org/wiki/Tin(II)_chloride


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