D-And F-Block Elements Ques 51

Question: On adding excess of NH3 solution to CuSO4 solution, the dark blue colour is due to

[CPMT 1990; AIIMS 1982; MP PMT 1989, 92; BHU 1996; JIPMER 1997]

Options:

A) [Cu(NH3)4]++

B) [Cu(NH3)2]++

C) [Cu(NH3)]+

D) None of the above

Show Answer

Answer:

Correct Answer: A

Solution:

CuSO4+4NH3,,[Cu(NH3)4]++SO4,



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