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Friday, 9 October

NEET UG 2023 · Chemistry · Question 51

NEET 2023 Chemistry, question 51

Question 51 of the NEET 2023 paper (code G6) is a Chemistry question from The p-Block Elements (Class 11). Its idea, Inert Pair Effect in Group 13, was asked twice, in 2019 and 2023, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q51 · Chemistry

Taking stability as the factor, which one of the following represents correct relationship?

  1. 1TlI > TlI3_3Official answer
  2. 2TlCl3_3 > TlCl
  3. 3InI3_3 > InI
  4. 4AlCl > AlCl3_3

Official answer: option 1 · NTA final answer key

Same idea

Inert Pair Effect in Group 13, in other papers

NEET asked this idea twice, in 2019 and 2023. The other question below.

  • 2019 Q57Which of the following is incorrect statement ?One-line MCQ · Medium

Inert Pair Effect in Group 13: every question and how it was framed

The chapter

The p-Block Elements (Class 11) in ten years of NEET

13 questions from 2017–2026, asked in 7 of 10 papers, about 1.3 a paper. p-Block (Group 13-14) alone had 12.

The p-Block Elements (Class 11): questions per paper

0241’172’182’192’200’212’222’230’240’252’26