JEE MAIN - Chemistry (2025 - 22nd January Morning Shift - No. 13)
The incorrect statements regarding geometrical isomerism are :
(A) Propene shows geometrical isomerism.
(B) Trans isomer has identical atoms/groups on the opposite sides of the double bond.
(C) Cis-but-2-ene has higher dipole moment than trans-but-2-ene.
(D) 2-methylbut-2-ene shows two geometrical isomers.
(E) Trans-isomer has lower melting point than cis isomer.
Choose the correct answer from the options given below :
(A) and (E) Only
(A), (D) and (E) Only
(C), (D) and (E) Only
(B) and (C) Only
Explanation
(A) $\mathrm{CH}_3-\mathrm{CH}=\mathrm{CH}_2$. GI is not possible
(B) Trans isomer has identical atoms/groups on the opposite side of double bond.
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