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Assertion : Geometrical isomerism is als...

Assertion : Geometrical isomerism is also called cis-trans isomerism.
Reason : Propene shows geometrical isomerism.

A

If both assertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
Geometrical isomerism is possible only when each double bonded carbon atom is attached to two different atoms or groups. No geometrical isomers are possible for propene `(CH_(3)CH=CH_(2))` because one of the double bonded carbon atom has two identical groups (H-atoms) attached to it.
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Knowledge Check

  • Geometrical isomerism is show by

    A
    B
    C
    D

  • Assertion : Geometrical isomerism is also called cis-trans isomerism . Reason : Tetrahedral complexes show geometrical isomerism .

    A
    If both Assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    if both assertion and reason are false

  • Which show geometrical isomerism?

    A
    B
    C
    D
    None of these

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