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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:
FeSO4
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Solution
Ammonia gas on reacting with aqueous solution of ferrous sulphate produces dirty green precipitate of ferrous hydroxide.
\[\ce{FeSO4 + 2NH4OH -> (NH4)2SO4 + FE(OH)2}\]
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