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 $
