MCQ
Find odd compound out :
- ALindane
- BGammexane
- C$666$
- ✓$HCB$
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$ -\mathrm{OCH}_3,-\mathrm{NO}_2,-\mathrm{CN},-\mathrm{CH}_3-\mathrm{NHCOCH}_3, $
$ -\mathrm{COR},-\mathrm{OH},-\mathrm{COOH},-\mathrm{Cl}$
$2s$ $2{p_x}$ $2{p_y}$ $2{p_z}$