MCQ
Which of the following is coloured as well as paramagnetic?
- A$K_2 [PtCl_6]$
- B$K_4[Fe (CN)_6]$
- C$[Ni(dmg)_2]$
- ✓$[Cu(NH_3)_4]^{2+}$
✓
Answer
Correct option: D.
$[Cu(NH_3)_4]^{2+}$
d
$(1)$ $\mathrm{d}^{2} \mathrm{sp}^{3},$ dia
$(1)$ $\mathrm{d}^{2} \mathrm{sp}^{3},$ dia
$(2)$ $\mathrm{d}^{2} \mathrm{sp}^{3},$ dia
$(3)$ $dsp^{2}$, dia
$(4)$ $dsp^2$, para, $1$ unpaired electron
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