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
A.
Cl
Cl- is the best leaving group being the weakest nucleophile out of NH2-, Cl-, -OC2H5 and -OOCCH3.
The compound formed on heating chlorobenzene with chloral in the presence concentrated sulphuric acid is
gammexene
hexachloroethane
Freon
Freon