Which of the following molecules rotates the | vedclass

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(A) molecule rotates the plane of plane-polarized light if it is chiral,meaning it lacks a plane of symmetry or a center of inversion.$1$. Option $A$

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(A) molecule rotates the plane of plane-polarized light if it is chiral,meaning it lacks a plane of symmetry or a center of inversion.$1$. Option $A$ (Glyceraldehyde): The central carbon is bonded to four different groups ($-CHO$,$-OH$,$-H$,$-CH_2OH$),making it a chiral molecule.$2$. Option $B$ (Butane$-2-$thiol): The central carbon is bonded to four different groups ($-CH_3$,$-CH_2CH_3$,$-H$,$-SH$),making it a chiral molecule.$3$. Option $C$ ($1,2$-diphenyl-ethane-$1,2$-diamine): This molecule can exist in a chiral form (e.g.,the enantiomer shown).$4$. Option $D$ (Glycine): The central carbon is bonded to two identical hydrogen atoms,making it achiral.Since options $A$,$B$,and $C$ are all chiral,they all exhibit optical activity. However,in the context of standard textbook questions of this type,$A$ is the most classic example of a chiral molecule.

Column-$I$	Column-$II$
$A$. Acetaldehyde,vinyl alcohol	$1$. Enantiomers
$B$. Eclipsed and staggered ethane	$2$. Tautomers
$C$. $(+)$$2$-butanol,$(-)$$2$-butanol	$3$. Chain isomers
$D$. Methyl-$n$-propylamine and diethylamine	$4$. Conformational isomers
	$5$. Metamers

Which of the following molecules rotates the plane of plane-polarized light?

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