(D) Conformational isomers are formed by rotation around a $C-C$ single bond. During this rotation,the hybridization of carbon atoms remains $sp^3$,an

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In all conformations,bond length and bond angle remain same.

(D) Conformational isomers are formed by rotation around a $C-C$ single bond. During this rotation,the hybridization of carbon atoms remains $sp^3$,and the bond lengths and bond angles do not change. Therefore,option $D$ is correct. Conformational isomers cannot be separated at room temperature due to low energy barriers.

Class 11 Chemistry 8-2.Organic Chemistry : Isomerism Conformational isomerism

Difficult

Select the correct option about conformations of ethane.

A
It is possible to separate conformational isomers of ethane.
B
Magnitude of torsional strain is independent of dihedral angle.
C
The staggered form has maximum and eclipsed form has minimum torsional strain.
D
In all conformations,bond length and bond angle remain same.