Which of the following complexes show six coordination number [RPET 20

1.	Which of the following complexes show six coordination number [RPET 2000]
A.	\[{{[Zn{{(CN)}_{4}}]}^{2-}}\]
B.	\[{{[Cr{{({{H}_{2}}O)}_{6}}]}^{3+}}\]
C.	\[{{[Cu{{(CN)}_{4}}]}^{2-}}\]
D.	\[{{[Ni{{(N{{H}_{3}})}_{4}}]}^{2+}}\]
Answer» C. \[{{[Cu{{(CN)}_{4}}]}^{2-}}\]

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