In the following Newman projection of the ske | vedclass

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Question

(C) The dihedral angle is the angle between the $C-H$ bonds on adjacent carbon atoms.In the given Newman projection,the angle between the front $C-H'$

Vedclass · Accepted Answer

$149$

Vedclass · Answer

(C) The dihedral angle is the angle between the $C-H$ bonds on adjacent carbon atoms.In the given Newman projection,the angle between the front $C-H'$ bond and the back $C-H''$ bond is calculated by considering the standard staggered angle of $120^\circ$ between adjacent bonds and the deviation shown.From the geometry,the dihedral angle between $H'$ and $H''$ is the sum of the angle between the bonds in the staggered conformation $(120^\circ)$ and the given deviation angle $(29^\circ)$.Dihedral angle $= 120^\circ + 29^\circ = 149^\circ$.

In the following Newman projection of the skew conformation of ethane,the dihedral angle between $H'$ and $H''$ is $......^\circ$. (in $^\circ$)

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