Match the reactions given in column-I with the suitable reagent given in column-II

	column-I		column-II
(i)	Benzophenone $\to$ Diphenylmethane	(a)	${\mathrm{LiAlH}}_4$
(ii)	Benzaldehyde $\to 1$-Phenyl ethanol	(b)	$\mathrm{Dibal}-\mathrm{H}$
(iii)	Cyclohexanone $\to$ Cyclohexanol	(c)	$\mathrm{Zn}\left(\mathrm{Hg}\right)/\text{ conc. H}\mathrm{Cl}$
(iv)	Phenylbenzoate $\to$ Benzaldehyde	(d)	${\mathrm{CH}}_3\mathrm{MgBr}$