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Friday, 9 October

NEET UG 2021 · Chemistry · Question 51

NEET 2021 Chemistry, question 51

Question 51 of the NEET 2021 paper (code O1) is a Chemistry question from Chemical Bonding and Molecular Structure. Its idea, Simple Hybridization (sp, sp2, sp3), was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q51 · Chemistry

BF3\mathrm{BF_3} is planar and electron deficient compound. Hybridization and number of electrons around the central atom, respectively are :

  1. 1sp2sp^{2} and 6Official answer
  2. 2sp2sp^{2} and 8
  3. 3sp3sp^{3} and 4
  4. 4sp3sp^{3} and 6

Official answer: option 1 · NTA final answer key

Same idea

The only question on Simple Hybridization (sp, sp2, sp3)

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

Simple Hybridization (sp, sp2, sp3): 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. Hybridization alone had 2.

Chemical Bonding and Molecular Structure: questions per paper

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