Q.(a) What do you observe when ammonium hydroxide is
added to the aqueous solution of:
(i) FeSO4
(ii) Iron (III) chloride,
(iii) Lead nitrate
(iv) Zinc nitrate?
(b) Write a balanced equation for each one of them.
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Explanation:
Iron (III) sulphate + ammonium hydroxide gives iron (III) hydroxide and ammonium sulphate.
A reddish brown precipitate is observed and Fe(OH)
3
is insoluble in excess aq. ammonia / ammonium hydroxide.
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