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Byju's Answer
Standard XII
Chemistry
State (Phase) of Alkanes
Dihedral angl...
Question
Dihedral angle of least stable conformer of ethane is :
A
0
∘
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B
120
∘
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C
180
∘
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D
6
0
∘
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Solution
The correct option is
A
0
∘
Ethane has two conformers
(i) Eclipsed
(ii) Staggered
Eclipsed conformer is least stable while staggered conformer is most stable. In eclipsed conformer the dihedral angle is
0
∘
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