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RE-NEET2026Chemistry-Organic Chemistry

RE-NEET 2026 Chemistry Alkenes Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 11

Given below are two statements: Statement I: trans-But−2t^{-2}-ene upon treatment with Br₂ in CCl₄ gives the following product. Statement II: cis-But−2t^{-2}-ene upon treatment with alkaline KMnO₄ gives the following product.

Question diagram
A

Both Statement I and Statement II are incorrect

B

Statement I is correct but Statement II is incorrect

C

Statement I is incorrect but Statement II is correct

D

Both Statement I and Statement II are correct

Correct Answer

Option D

Detailed Explanation

trans-But−2t^{-2}-ene reacts with Br₂ to form a dibromo compound. cis-But−2t^{-2}-ene reacts with KMnO₄ to form a diol.

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