The reagent(s) required for the following conversion are:

The reagent(s) required for the following conversion are:

1. (i) $\mathrm{NaBH}_4$, (ii) Raney $\mathrm{Ni} / \mathrm{H}_2$, (iii) $\mathrm{H}_3 \mathrm{O}^{+}$
2. (i) $\mathrm{LiAlH}_4$, (ii) $\mathrm{H}_3 \mathrm{O}^{+}$
3. (i) $\mathrm{B}_2 \mathrm{H}_6$, (ii) $\mathrm{DIBAL-H}$, (iii) $\mathrm{H}_3 \mathrm{O}^{+}$
4. (i) $\mathrm{B}_2 \mathrm{H}_6$, (ii) $\mathrm{SnCl}_2 / \mathrm{HCl}$, (iii) $\mathrm{H}_3 \mathrm{O}^{+}$

Asked in: JEE Main 2018 (15 Apr Shift 1 Online)

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