MCQ
Which of the following complexes show six coordination number
- A${[Zn{(CN)_4}]^{2 - }}$
- ✓${[Cr{({H_2}O)_6}]^{3 + }}$
- C${[Cu{(CN)_4}]^{2 - }}$
- D${[Ni{(N{H_3})_4}]^{2 + }}$
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Reason : Free energy change for this process is positive.

