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But-2-ene exhibits geometrical isomerism due to

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But-2-ene exhibits geometrical isomerism due to

(a) rotation around C2 - C3 double bond

(b) rotation around C3 - C4 sigma bond

(c) restricted rotation around C = C bond

(d) rotation around C1 - C2 bond

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1 Answer

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Correct option is (c) restricted rotation around C = C bond

Geometrical isomerism in alkenes is possible due to the restricted rotation around the double bond. 

Hence, But-2-ene exhibts cis-trans isomerism due to restricted rotation around C = C bond.

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