MCQ
The best method to prepare cyclohexene from cyclohexanol is by using
- AConc. $HCl \,+$ $ZnCl_2$
- ✓Conc. $H_3PO_4$
- C$HBr$
- DConc. $HCl$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
($A$) can also be prepared by reaction of $\mathrm{P}_4$ and $\mathrm{HNO}_3$
($B$) is diamagnetic
($C$) contains one $\mathrm{N}-\mathrm{N}$ bond
($D$) reacts with $\mathrm{Na}$ metal producing a brown gas
$Image$