The correct statement regarding ethane conformation is…..

1.	The correct statement regarding ethane conformation is…..
Answer» Rotation around carbon-carbon bond in ethane MOLECULE is not POSSIBLE, because ethane molecule contains a pi `(pi)` bond between the carbon and carbon and ethane has very low melting point Rotation around carbon-carbon bond in ethane molecule is not possible, because ethane molecule contains both SIGMA `(sigma)` bond and pi `(pi)` bond between the carbon and carbon. Rotation around carbon-carbon bond in ethane molecule is possible because of CYLINDRICAL symmetry of sigma `(sigma)` bond between carbon-carbon atoms Rotation around carbon-carbon bond in ethane molecule is not possible, because ethane molecule contains both sigma `(sigma)` bond and pi `(pi)` bond between the carbon and carbon and ethane has very high BOILING point Answer :C

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