JEE Main Chemistry · The d- and f-Block Elements
Enthalpy of Atomization
Enthalpy of Atomization (The d- and f-Block Elements) was asked 4 times in 4 JEE Main shifts, 2025–2026, out of the 42 shifts Lumi analysed. 2 of the 4 had a numerical answer.
- Times asked
- 4
- in 4 shifts
- Years
- 2025–2026
- Usual format
- Numerical value
- Multi-step
- Pattern
- New since 2024
- repeats across shifts
How it is asked
- Statement i/ii on d-block and cft splitting
- Magnetic moment of selected element
Difficulty
Easy 0Medium 4Hard 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 4 questions
Newest first, each with its options and official answer.
- 5 Apr 2026, Shift 2 · Q60Given below are two statements : Statement I : Presence of large number of unpaired electrons in transition metal atoms results in higher…MediumTwo statements
- 2 Apr 2025, Shift 2 · Q74The spin-only magnetic moment value of ion formed among Ni, Zn, Mn and Cu that has the least enthalpy of atomisation is…MediumNumerical value
- 3 Apr 2025, Shift 2 · Q73Among, Sc, Mn, Co and Cu, identify the element with highest enthalpy of atomisation. The spin only magnetic moment value of that element…MediumNumerical value
- 7 Apr 2025, Shift 1 · Q59The number of valence electrons present in the metal among Cr, Co, Fe and Ni which has the lowest enthalpy of atomisation isMediumSingle correct