JEE Main Chemistry · The d- and f-Block Elements
Ionization Enthalpy Irregularities
Ionization Enthalpy Irregularities (The d- and f-Block Elements) was asked 2 times in 2 JEE Main shifts, 2025–2026, out of the 42 shifts Lumi analysed.
- Times asked
- 2
- in 2 shifts
- Years
- 2025–2026
- Usual format
- Single correct
- Conceptual
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Statement i/ii on ionization enthalpy and cfse
- Incorrect ionisation enthalpy relationship among 3d ions
Difficulty
Easy 0Medium 2Hard 0
Where it sits
Chapter: The d- and f-Block Elements. Topic: d-Block Elements, 51 questions over 25 ideas.
Other repeat ideas in this topic
Every time it came
All 2 questions
Newest first, each with its options and official answer.
- 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