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Friday, 9 October

NEET UG 2026 · Chemistry · Question 90

NEET 2026 Chemistry, question 90

Question 90 of the NEET 2026 paper (re-exam) is a Chemistry question from Chemical Bonding and Molecular Structure. Its idea, Highest Occupied Molecular Orbital, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q90 · Chemistry

The highest occupied molecular orbital for Ne2\mathrm{Ne_2} is

  1. 1π2p\pi_{2p}
  2. 2σ2p\sigma_{2p}
  3. 3π2p∗\pi^*_{2p}
  4. 4σ2p∗\sigma^*_{2p}Official answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Highest Occupied Molecular Orbital

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

Highest Occupied Molecular Orbital: every question and how it was framed

The chapter

Chemical Bonding and Molecular Structure in ten years of NEET

24 questions from 2017–2026, asked in 10 of 10 papers, about 2.3 a paper. Molecular Orbital Theory alone had 8.

Chemical Bonding and Molecular Structure: questions per paper

0243’172’181’192’203’212’222’234’242’253’26