Is 2-Methylpentane optically active?

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Solution

Optical activity:
Optical activity is the angle through which the plane of polarization is rotated when polarized light passes through a layer of a liquid.
Yes 2-Methylpentane is optically active because of the presence of a chiral centre in it which leads to asymmetry in its molecular structure.
Structure: ${CH}_{3} C * H ({CH}_{3}) {CH}_{2} {CH}_{2} {CH}_{3}$ here $C *$ is chiral carbon due to different groups attached to it.

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