Which of the following will not show optical isomerism
$Cl-CH=C=CH-Cl$
$Br-CH=C=CH-Br$
Which of the structures is/are diastereomer of $A$ ?
Which of the following is a chiral ?
Out of the following which are chiral?
The property by virtue of which a compound can turn the plane polarised light is known as
It is possible to distinguish between optical isomers by