Which of the following will show optical isomerism ?
Isobutane
$1-$ chloro $-2-$ methyl butane
$CH_2=C=CH_2$
Which of the following is an chiral compound
Which of the following is $D-$ isomer
Which of the following compounds are optically active
Which one of the compound is not isomer of others?
Stereoisomers which are not the mirror images of one another are called