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Geometrical Isomerism

Geometrical i...

Question

Geometrical isomerism is caused:

A

by restricted rotation around C = C bond

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B

by the presence of one asymmetric carbon atom

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C

due to the different groups attached to the same functional group

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D

by swing of hydrogen atom between two divalent atoms

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Solution

The correct option is A by restricted rotation around C = C bond
Conditions for geometrical isomers:
1) Free rotation must be restricted.
2) Both the terminals must be attached with different groups.
3) Terminals must not be in perpendicular planes.
Hence the correct answer is option (a).

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Geometrical Isomerism

Standard XII Chemistry

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