MCQ
Minimum resistance in bond rotation will be observed in the compound
- AHexachloroethane
- BEthylene
- CAcetylene
- ✓Ethane
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Assertion $A$ : The stability order of +$1$ oxidation state of $\mathrm{Ga}$, In and $\mathrm{Tl}$ is $\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}$.
Reason $R$ : The inert pair effect stabilizes the lower oxidation state down the group.
In the light of the above statements, choose the correct answer from the options given below :
|
List$-I$ (Metal Ion) |
List$-II$ (Group in Qualitative analysis) |
| $(a)$ ${Mn}^{2+}$ | $(i)$ Group $- III$ |
| $(b)$ ${A} {s}^{3+}$ | $(ii)$ Group $- IIA$ |
| $(c)$ ${Cu}^{2+}$ | $(iii)$ Group $- IV$ |
| $(d)$ ${Al}^{3+}$ | $(iv)$ Group $- IIB$ |
Choose the most appropriate answer from the options given below :