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Friday, 9 October

NEET UG 2022 · Chemistry · Question 86

NEET 2022 Chemistry, question 86

Question 86 of the NEET 2022 paper (code R1) is a Chemistry question from Structure of Atom. Its idea, Bohr Orbit Radius, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q86 · Chemistry

If radius of second Bohr orbit of the He+\mathrm{He^+} ion is 105.8 pm, what is the radius of third Bohr orbit of Li2+\mathrm{Li^{2+}} ion ?

  1. 1158.7 Å
  2. 2158.7 pmOfficial answer
  3. 315.87 pm
  4. 41.587 pm

Official answer: option 2 · NTA final answer key

Same idea

The only question on Bohr Orbit Radius

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

Bohr Orbit Radius: every question and how it was framed

The chapter

Structure of Atom in ten years of NEET

16 questions from 2017–2026, asked in 10 of 10 papers, about 1.5 a paper. Quantum Numbers alone had 16.

Structure of Atom: questions per paper

0241’171’182’191’202’212’222’232’242’251’26