Assertion :Butene and propane exhibit position isomerism. Reason: Alkenes can exhibit position isomerism.
A
If both assertion and reason are CORRECT and reason is the CORRECT explanation of the assertion.
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B
If both assertion and reason are CORRECT, but reason is NOT THE CORRECT explanation of the assertion.
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C
If assertion is CORRECT, but reason is INCORRECT.
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D
If assertion is INCORRECT, but reason is CORRECT.
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Solution
The correct option is D If assertion is INCORRECT, but reason is CORRECT. Butene exhibits position isomerism. Example: 1-butene and 2-butene differ in the location of the double bond. On the other-hand propane is a saturated hydrocarbon and thus does not show any position isomerism.