A) 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
Correct Answer: A
Solution :
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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