In the reaction with HCl, an alkene reacts in accordance with the markownikoff's rule, to give a product 1-chloro -1- methylcyclohexane. The possible alkane is 

• 
• 

• (a) and (b)

• (a) and (b)

42.

2,3 -dimethyl - 2- butene can be prepared by heating which of the following compounds with a strong acid?

• (CH₃)₂CH-CH(CH)₃-CH=CH₂

• (CH₃)₃C-CH=CH₂

• (CH₃)₂C =CH-CH₂-CH₃

• (CH₃)₂C =CH-CH₂-CH₃

The oxidation of benzene by V₂O₅ in the presence of air produces

• benzoic anhydride

• maleic anhydride

• benzoic acid

• benzoic acid

Caprolactam is used for the manufacture of 

• nylon - 6

• Teflon

• terylene

• terylene

The following reaction, 


is known by the name

• Friedel -Crafts reaction

• Perkins reaction

• Acetylation reaction

• Acetylation reaction