Identify the reagent R used in following conversion? tert-butyl bromide $\xrightarrow{\mathrm{R}}$ Isobutylene
- $\mathrm{Sn} / \mathrm{HCl}$
- $\mathrm{Na}-\mathrm{Hg} / \mathrm{H}_2 \mathrm{O}$
- $\mathrm{NH}_3$ (alc)
- $\mathrm{LiAlH}_4$
Asked in: MHT CET 2024 (15 May Shift 1)