Chemistry
How will you distinguish between — Ammonium Hydroxide & Sodium Hydroxide using CuSO4
Ammonium Hydroxide
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Answer
CuSO4 forms a pale blue precipitate which is insoluble in excess of sodium hydroxide and with ammonium hydroxide it forms a pale blue precipitate which dissolves in excess of ammonium hydroxide and forms a deep/inky blue solution.
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Related Questions
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to each of the following:
(i) copper sulphate solution
(ii) zinc sulphate solution.
State one relevant observation – Action of sodium hydroxide solution on iron [II] sulphate solution.
Choose the correct answer from the options given :
The salt solution which does not react with ammonium hydroxide is :
- Calcium nitrate
- Zinc nitrate
- Lead nitrate
- Copper nitrate
Write a balanced chemical equation for :
(i) Reaction of sodium hydroxide solution with iron [III] chloride solution.
(ii) Reaction of zinc with potassium hydroxide solution.