MCQ
Which of the following is paramagnetic?
- A$[Fe(CN)_6]^{4-}$
- B$[Ni(CO)_4]$
- C$[Ni(CO)_4]^{2-}$
- ✓$[CoF_6]^{3-}$

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Reason : Energy of the activated complex is higher than the energy of reactant molecules.
(Rounded off to the nearest integer)
$\left[\right.$ Given $\left.: \frac{2.303 RT }{ F }=0.059\right]$