Is 3–Methylhexane 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, 3–Methyl hexane is optically active as in its structure:
${CH}_{3} {CH}_{2} C * H ({CH}_{3}) {CH}_{2} {CH}_{2} {CH}_{3}$
The marked carbon ( $C *$ ) is chiral carbon which enables asymmetry in the molecule.

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(3) $t r a n s - [C o (N H_{3})_{2} (e n)_{2}]^{3 +}$
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(5) $[T i F_{6}]^{2 -}$
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