JEE Main Chemistry · The d- and f-Block Elements
Ionization Enthalpy Irregularities
Ionization Enthalpy Irregularities (The d- and f-Block Elements) was asked 3 times in 3 JEE Main shifts, 2020–2026, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.
- Times asked
- 3
- in 3 shifts
- Years
- 2020–2026
- Usual format
- Numerical value
- Conceptual
- Pattern
- Frequent
- repeats across shifts
How it is asked
- Order of ionisation enthalpy of two elements
- Spin-only moment after ionisation enthalpy
Difficulty
Easy 0Medium 3Hard 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 3 questions
Newest first, each with its options and official answer.
- 6 Apr 2026, Shift 2 · Q60The correct order of first () and second () ionisation enthalpy values of Cr and Mn are : A. : Cr…MediumOther
- 9 Apr 2024, Shift 2 · Q86A transition metal 'M' among Sc, Ti, V, Cr, Mn and Fe has the highest second ionisation enthalpy. The spin-only magnetic moment value of…MediumNumerical value
- 8 Jan 2020, Shift 1 · Q36The third ionization enthalpy is minimum for :MediumSingle correct