Which of the following contains a plane of sy | vedclass

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(D) plane of symmetry is an imaginary plane that divides a molecule into two equal halves such that one half is the mirror image of the other.$1.$ $2-

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$3-$Methylpentane

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(D) plane of symmetry is an imaginary plane that divides a molecule into two equal halves such that one half is the mirror image of the other.$1.$ $2-$Methylbutane: It has a chiral center at $C-2$,so it is chiral and lacks a plane of symmetry.$2.$ Propanoic acid $(CH_3CH_2COOH)$: It is an achiral molecule but does not possess a plane of symmetry due to the arrangement of atoms.$3.$ $2-$Aminobutane: It has a chiral center at $C-2$,making it chiral.$4.$ $3-$Methylpentane: The structure is $CH_3-CH_2-CH(CH_3)-CH_2-CH_3$. This molecule has a plane of symmetry passing through the $C-3$ atom and the methyl group attached to it,dividing the molecule into two identical halves ($CH_3-CH_2-$ groups on both sides). Thus,it is achiral.

Which of the following contains a plane of symmetry?

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