Benzyl alcohol and phenol can be distinguished by using  reagent.

(A) ${\mathrm{FeCl}}_3$
(B) ${\mathrm{SnCl}}_4$
(C) ${\mathrm{PCl}}_5$

Enter your correct answer as A, B or C.

Boiling points of alcohols are _____ than those of the corresponding alkanes.(less/more)

The catalytic dehydrogenation of secondary alcohols yields _____ .

A mixture of conc. $\mathrm{HCl}$ and anhydrous ${\mathrm{ZnCl}}_2$ is called _____ reagent.

Amongst the three isomers of nitrophenols, the one that is least soluble in water is _____.