Blue solution of `CuSO_(4)` becomes darker when treated with ammonia because
A. Ammonia molecule replaces water molecule in solution
B. Ammonia is stronger ligand than water
C. Ammonia is highly soluble in water
D. None of the above.

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1 Answers

Correct Answer - B
`Cu^(2+) + 4NH_(3) rarrunderset(("Deep blue"))([Cu(NH_(3))_(4)]^(2+)`

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