The incorrect statements regarding geometrical isomerism are : 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
Answer
(2) A, D and E Only
Solution
A. Propene: =CH2 has two H no geometrical isomers (incorrect)
B. Correct
C. Cis: the two C–CH3 bond moments add up; in trans they cancel (correct)
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D. (CH3)2C=CHCH3: two identical groups on one carbon none (incorrect)
E. Trans packs better higher melting point, so the statement is incorrect
A, D and E
Answer: (2)