MCQ
On adding excess of ammonium hydroxide to a copper chloride solution.
  • A deep blue solution is obtained
  • B
    No change is observed
  • C
    Blue precipitate of copper hydroxide is obtained
  • D
    Black precipitate of copper oxide is obtained

Answer

Correct option: A.
A deep blue solution is obtained
a
(a) On adding excess of ammonium hydroxide to a copper chloride solution a deep blue solution of ${[Cu{(N{H_3})_4}]^{2 + }}$ ion is formed.

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