The electrophilic substitution reactions of benzene and its derivatives involve polarisation through electromeric effect of the benzene ring on approach of an electrophile (E+). ... Conjugated dienes such as 1, 3-butadiene are more stable than simple alkenes such as but-l-ene. It can be ... The relative stabilities of alkyl free radicals, which follows the decreasing order : Tertiary agt; Secondary agt; Primary , can beanbsp;...
|Title||:||Objective Question Bank in Chemistry|
|Publisher||:||Krishna Prakashan Media - 1997|