Which of the structures given below are chira | vedclass

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(B) molecule is chiral if it lacks a plane of symmetry $(P.O.S.)$ or any other improper axis of rotation.Structure $(I)$: This molecule has a plane of

Vedclass · Accepted Answer

$II, III, V$

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(B) molecule is chiral if it lacks a plane of symmetry $(P.O.S.)$ or any other improper axis of rotation.Structure $(I)$: This molecule has a plane of symmetry passing through the oxygen atom and the center of the anhydride ring. Thus,it is achiral.Structure $(II)$: This molecule lacks a plane of symmetry. Thus,it is chiral.Structure $(III)$: This is a Fischer projection of a sugar derivative which lacks a plane of symmetry. Thus,it is chiral.Structure $(IV)$: This molecule has a plane of symmetry passing through the central carbon atom. Thus,it is achiral.Structure $(V)$: This is a substituted cycloheptanone which lacks a plane of symmetry. Thus,it is chiral.Therefore,the chiral structures are $(II, III, V)$.The correct option is $(B)$.

Which of the structures given below are chiral?

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