MCQ
All reactions with chemical dissociation are
- AReversible
- ✓Reversible and endothermic
- CExothermic
- DReversible or irriversible and endothermic or exothermic
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Statement $I$: In group $13$, the stability of $+1$ oxidation state increases down the group.
Statement $II$: The atomic size of gallium is greater than that of aluminium.
In the light of the above statements, choose the most appropriate answer from the options given below:
$\begin{array}{*{20}{c}}
{C{H_3} - C - C - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{O\,\,\,\,\,\,\,\,\,O}
\end{array}$ $X$ in the above reaction is