Identify the reagent R used in the following | vedclass

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(C) The conversion of $tert$-butyl bromide to isobutylene is a dehydrohalogenation reaction,which is an elimination reaction ($E1$ or $E2$).In this re

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$NH_3$ (alc.)

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(C) The conversion of $tert$-butyl bromide to isobutylene is a dehydrohalogenation reaction,which is an elimination reaction ($E1$ or $E2$).In this reaction,a base is required to abstract a proton from the $\beta$-carbon.Alcoholic $NH_3$ (or more commonly,alcoholic $KOH$) acts as a base to facilitate this elimination.As shown in the mechanism,the loss of $Br^-$ leads to a carbocation,followed by the loss of $H^+$ to form the double bond in isobutylene.Therefore,the correct reagent is $NH_3$ (alc.).

Identify the reagent $R$ used in the following conversion: $tert$-butyl bromide $\xrightarrow{R}$ Isobutylene

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