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Question
State what do you observe when ammonium hydroxide to Iron (III) sulphate solution.
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Solution
\[\ce{Fe2(SO4)3 + 6NH4OH -> \underset{\text{reddish brown}}{2Fe(OH)3 v} + 3(NH4)2SO4}\]
Reddish brown ppt. of ferric hydroxide is formed which is insoluble in excess of ammonium hydroxide.
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