1.Which of the following is most reactive toward NBS (N\mathrm{N}N-bromosuccinimide)?a.Toluene (PhCH3\mathrm{PhCH_3}PhCH3)b.Ethylbenzene (PhCH2CH3\mathrm{PhCH_2CH_3}PhCH2CH3)c.Allylbenzene (PhCH2CH=CH2\mathrm{PhCH_2CH=CH_2}PhCH2CH=CH2)d.α\alphaα-Methylallylbenzene (Ph−CH(CH3)−CH=CH2\mathrm{Ph{-}CH(CH_3){-}CH=CH_2}Ph−CH(CH3)−CH=CH2)Login to continueOnly logged in users canattempt or see the solution.