Question

the minimum torsional strain developed in butane at dihedral angle
A- 0 180
B-120 240
C-60 180 300
D-60 120 180
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Answer 1

60, 180, 300 is your answer

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Answer 2

Answer:

C-60 180 300

Explanation:

torsional strain is force of repulsion between front and back Carbon's electrons.