Learn

Friday, 9 October

NEET UG 2023 · Chemistry · Question 86

NEET 2023 Chemistry, question 86

Question 86 of the NEET 2023 paper (code G6) is a Chemistry question from The d- and f-Block Elements. Its idea, Oxides of Transition Metals, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.

Updated 2026-10-08

Q86 · Chemistry

Which of the following statements are INCORRECT?

A. All the transition metals except scandium form MO oxides which are ionic.

B. The highest oxidation number corresponding to the group number in transition metal oxides is attained in Sc2O3\mathrm{Sc_2O_3} to Mn2O7\mathrm{Mn_2O_7}.

C. Basic character increases from V2O3\mathrm{V_2O_3} to V2O4\mathrm{V_2O_4} to V2O5\mathrm{V_2O_5}.

D. V2O4\mathrm{V_2O_4} dissolves in acids to give VO43−\mathrm{VO_4^{3-}} salts.

E. CrO is basic but Cr2O3\mathrm{Cr_2O_3} is amphoteric.

Choose the correct answer from the options given below :

  1. 1B and C only
  2. 2A and E only
  3. 3B and D only
  4. 4C and D onlyOfficial answer

Official answer: option 4 · NTA final answer key

Same idea

The only question on Oxides of Transition Metals

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

Oxides of Transition Metals: every question and how it was framed

The chapter

The d- and f-Block Elements in ten years of NEET

21 questions from 2017–2026, asked in 10 of 10 papers, about 2.0 a paper. d- and f-Block Elements alone had 21.

The d- and f-Block Elements: questions per paper

0242’172’181’192’202’212’222’233’242’253’26