P-Block Elements Ques 593

Question: The deep blue colour produced on adding excess of ammonia to copper sulphate is due to presence of

Options:

A) Cu2+

B) [Cu(NH3)4]2+

C) [Cu(NH3)6]2+

D) [Cu(NH3)2]2+

Show Answer

Answer:

Correct Answer: B

Solution:

CuSO4+4NH3[Cu(NH3)4]SO4 Blue complex due to Cu(NH3)42+



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