Alkyl halides react with dialkyl copper reagents to give

• alkenes

• alkyl copper halides

• alkanes

• alkanes

Elimination of bromine from 2-bromobutane results in the formation of-

• equimolar mixture of 1 and 2-butene

• predominantly 2-butene

• predominantly 1-butene

• predominantly 1-butene

Which one of the following has the minimum boiling point?

• n-butane

• isobutane

• 1- butene

• 1- butene

Which of the following will have meso-isomer also?

• 2- chlorobutane

• 2- hydroxyopanoic acid

• 2,3 – dichloropentane

• 2,3 – dichloropentane

Rate of the reaction



is fastest when Z is

• Cl

• OCOCH₃

• OC₂H₅

• OC₂H₅

The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is

• gammexene

• hexachloroethane

• Freon

• Freon

The major product formed in the following reaction is:

For the reaction below, the structure of the product Q is

The reaction sequence given below given product R.

The structure of the product R is

40.

The major product of the above reaction is-

• 

• 

• 

•