JEE Main 2025 Chemistry question
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 that cis isomer. Choose the CORRECT answer from the options given below :
Answer: (1)
Solution
(A) is false - propene (CH3-CH=CH2) has no GI. (D) is false - 2-methylbut-2-ene has no GI (one carbon has two identical methyl-type
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