JEE Main 2024 · ChemistryMultiple choiceSingle correctMediumConceptual

JEE Main 1 February 2024, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

The transition metal having highest

3^{rd}

ionisation enthalpy is :

(1)V
(2)Cr
(3)MnOfficial answer
(4)Fe

Official answer

Option 3

NTA final key.

Chapter: The d- and f-Block Elements
Topic: d-Block Elements
Idea tested: Ionization Enthalpy Irregularities

Same idea in other shifts

Asked 3× in all

2 Apr 2026, Shift 2 · Q60Given below are two statements: Statement I: Among Zn, Mn, Sc and Cu, the energy required to remove the third valence electron is highest…MediumSingle correct
4 Apr 2025, Shift 2 · Q61The incorrect relationship in the following pairs in relation to ionisation enthalpies is :MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.