The enantiomeric pair among the following four structures is:

Which of the following has a chiral structure?

Solutions of optically active isomers rotate the plane of polarized light in a polarimeter. Match the following columns $(I)$ with $(II), (III)$,and $(IV)$ correctly:

$(I)$ Optical Activity	$(II)$ Form	$(III)$ Sign	$(IV)$ Rotation
$(A)$ Dextrorotatory	$d$	$(+)$	Right
$(B)$ Laevorotatory	$l$	$(-)$	Left
$(C)$ Optically Inactive (Racemic)	$dl$	$(\pm)$	Zero rotation

What is a substance called that can rotate the plane of plane-polarized light?

The number of optical isomers for the compound $CH_3-CH(OH)-CH(Cl)-CH_2-COOH$ is:

Which of the following compounds is a meso compound?