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Question
Describe all what you will observe and write chemical equation, when limited amount of ammonia gas is passed through the following aqueous solution:
CrCl3
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Solution
Ammonia gas on reacting with aqueous solution of Chromium chloride produces green precipitate of chromium tri hydroxide.
\[\ce{CrCI3 + 3NH4OH -> 3NH4CI + Cr(OH)3}\]
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