# NEET Questions Solved

But-2-ene exhibits cis-trans-isomerism due to

(a) rotation around C2-C3 double bond

(b) rotation around C3-Csigma bond

(c) rotation around C1-C2 bond

(d) restricted rotation around C=C bond

(d) Due to presence of >C=C< in butene-2, it shows restricted rotation. Hence, give two types of arrangements around the space of >C=C< as cis and trans-forms.

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