P-Block Elements Ques 359
Question: On adding excess of ammonium hydroxide to a copper chloride solution.
[MH CET 1999]
Options:
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
Show Answer
Answer:
Correct Answer: A
Solution:
On adding excess of ammonium hydroxide to a copper chloride solution a deep blue solution of $ {{[Cu{{(NH_3)}_4}]}^{2+}} $ ion is formed.
