MCQ
Benzene is unreactive because
- AIt has double bonds
- BIt has carbon-carbon single bond
- CCarbon are $s{p^2}$ hybridised
- ✓$\pi $ electrons are delocalised
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$\mathrm{HF}, \mathrm{H}_2, \mathrm{H}_2 \mathrm{~S}, \mathrm{CO}_2, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{CH}_4, \mathrm{CHCl}_3, \mathrm{SiF}_4$, $\mathrm{H}_2 \mathrm{O}, \mathrm{BeF}_2$
trans $\left( Ph - CH = CH - CH _3\right) \rightarrow$ cis $\left( Ph - CH = CH - CH _3\right)$
$\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{{H_3}C - C - CH = C{H_2}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,}
\end{array}$ $\xrightarrow{{{H_2}O/{H^ \oplus }}}{\mkern 1mu} \mathop A\limits_{Major\,product} \, + \,\mathop B\limits_{Minor\,product} $
major product: