MCQ
Identify the type of isomerism shown by [Co(NH3)4Cl2]+:
- AGeometrical cis, trans
- BGeometrical fac−, mer−
- COptical
- DNone of the above
Explanation:
[Co(NH3)4Cl2]+ will show cis, trans geometrical isomerism.

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| Rate constant | Activation energy | |
| Step $1$ | $k_1$ | $E_{a_1} = 180\,kJ /mol$ |
| Step $2$ | $k_2$ | $E_{a_2} = 80\,kJ /mol$ |
| Step $3$ | $k_3$ | $E_{a_3} = 50\,kJ /mol$ |
overall rate constant, $k = {\left( {\frac{{{k_1}{k_2}}}{{{k_3}}}} \right)^{2/3}}$ overall activation energy of the reaction will be ........ $kJ\,mol$
[Assume theat the pre-exponential factor is same in both the cases.
Given $R =8.31 \,J\, K ^{-1} \,mol ^{-1}$ ]
Cell notation : $M \left|\underset{0.01}{ M ^{2+}} \| \underset{0.0001}{ M ^{2+}}\right| M$
.........$V$ value of $E _{ Cell }^{o}$ is $4$ volt (Given $\frac{ RT }{ F }$ in $10=0.06$ )
