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Friday, 9 October

NEET UG 2026 · Chemistry · Question 76

NEET 2026 Chemistry, question 76

Question 76 of the NEET 2026 paper (re-exam) is a Chemistry question from Hydrocarbons. Its idea, Halogen Addition Stereochemistry, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q76 · Chemistry

Given below are two statements:

Statement I :

trans-But-2-ene upon treatment with Br2\mathrm{Br_2} in CCl4\mathrm{CCl_4} gives the following product

[Newman projection: Br (top), H (upper left), Me (upper right), H (lower left), Me (lower right), Br (bottom)]

Statement II :

cis-But-2-ene upon treatment with alkaline KMnO4\mathrm{KMnO_4} gives the following product

[Newman projection: OH (top), H (upper left), OH (upper right), H (lower left), Me (lower right), Me (bottom)]

In the light of the above statements, choose the most appropriate answer from the options given below.

The figure, described in words

Two Newman projections. Statement I product: Br on top, H upper-left, Me upper-right, H lower-left, Me lower-right, Br bottom. Statement II product: OH on top, H upper-left, OH upper-right, H lower-left, Me lower-right, Me bottom.

  1. 1Both Statement I and Statement II are correct
  2. 2Both Statement I and Statement II are incorrect
  3. 3Statement I is correct but Statement II is incorrect
  4. 4Statement I is incorrect but Statement II is correctOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Halogen Addition Stereochemistry

No other NEET paper from 2017–2026 tested this exact idea.

Halogen Addition Stereochemistry: every question and how it was framed

The chapter

Hydrocarbons in ten years of NEET

25 questions from 2017–2026, asked in 10 of 10 papers, about 2.4 a paper. Hydrocarbons (Alkenes) alone had 12.

Hydrocarbons: questions per paper

0363’171’182’192’204’212’222’231’245’253’26