Alkyl Halides and Aryl HalidesHard
Question
Benzoyl chloride is less reactive than acetyl chloride for nucleophilic acyl substitution reaction because
Options
A. 
group of benzoyl chloride is in conjugation with benzene ring. This makes benzoyl chloride more stable than acetylchloride.
group of benzoyl chloride is in conjugation with benzene ring. This makes benzoyl chloride more stable than acetylchloride.B.CH3- group of acetyl chloride make C − Cl bond stronger due to the +I effect.
C.C6H5- group of benzoyl chloride make C − Cl bond weaker due to +R effect.
D.Carbonyl carbon in benzoyl chloride is less electron deficient than acetyl chloride