In the following skew conformation of ethane, H'-C-C-H’’ dihedral angle is:

12.04.2019 Shift 2 Synergy JEE Mains D40

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JEE Mains Previous Paper 1 (Held On: 12 Apr 2019 Shift 2)
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  1. 58°
  2. 149°
  3. 151°
  4. 120°

Answer (Detailed Solution Below)

Option 2 : 149°
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JEE Main 04 April 2024 Shift 1
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Detailed Solution

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Concept:

From question, the diagram given is:

\(\frac{{360^\circ }}{3} = 120^\circ \)

H’’ + H + H’

Angle between H’ and H” = 120° + 29° = 149°
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