Question

Which of the following  would not give 2 -phenylbutane as the major product in a friedel crafts alkylation reaction? 

A)1 butene +HF

B) 2butanol+H2so4

C) Butanoyl chloride +Alcl3 then zn,Hcl

D )Butyl chloride +Alcl3

please also  explain   all the major product  of the above 4 reaction.

Comments

Please  help  if you know  the answer.

Answer 1

Here option should be (c).

Explanation

In case of  A,B and D stable secondary carbo cation is formed as electrophile and the products are same i.e 2-phenylbutane where as it is not possible to occur in case of (C) where the product is 1-phenylbutane.