Chemistry - ALCOHOL & ETHER Question with Solution | TestHub

Which one/ones of the following reactions will yield 2-propanol? Choose the right answer from (I), (II), (III) and (IV)
(I)$\mathrm{C}{\mathrm{H}}_2=\mathrm{C}\mathrm{H}-\mathrm{C}{\mathrm{H}}_3+{\mathrm{H}}_2\mathrm{O}\stackrel{{\mathrm{H}}^{+}}{\to }$
(II)${\text{CH}}_{\text{3}}-\text{CHO}\underset{{\text{(II)H}}_{\text{2}}\text{O}}{\overset{\left(\text{I}\right){\text{CH}}_{\text{3}}\text{MgI}}{\to }}$
(III)$\text{HCHO}\underset{\left(\text{II}\right){\text{H}}_{\text{2}}\text{O}}{\overset{\left(\text{I}\right){\text{C}}_{\text{2}}{\text{H}}_{\text{5}}\text{MgI}}{\to }}$
(IV)$\mathrm{C}{\mathrm{H}}_2=\mathrm{C}\mathrm{H}-\mathrm{C}{\mathrm{H}}_3\stackrel{\mathrm{N}\mathrm{e}\mathrm{u}\mathrm{t}\mathrm{r}\mathrm{a}\mathrm{l}\mathrm{ }\mathrm{K}\mathrm{M}\mathrm{n}{\mathrm{O}}_4}{\to }$