D-And F-Block Elements Ques 486

Question: The blue complex formed on addition of cone. $ NH_4OH $ solution to a $ C{{u}^{2+}} $ salt solution has the structure-

Options:

A) $ {{[Cu{{(NH_4)}_4}]}^{2+}} $

B) $ {{[Cu{{(NH_3)}_2}]}^{2+}} $

C) $ {{[Cu{{(NH_3)}_4}]}^{2+}} $

D) $ {{[Cu{{(NH_4)}_2}]}^{2+}} $

Show Answer

Answer:

Correct Answer: C

Solution:

$ C{{u}^{2+}}+4NH_4OH\to $ $ \underset{deepbluecomp}{\mathop{{{[ Cu{{( NH_3 )}_4} ]}^{2+}}}},+4H_2O $



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