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Friday, 9 October

JEE Main Chemistry · The d- and f-Block Elements

f-Block Elements in JEE Main

f-Block Elements (Chemistry, The d- and f-Block Elements) came 8 times in 7 of the 42 JEE Main shifts Lumi analysed, across 7 distinct ideas. 3 of them came in 2024–26; it was last asked in 2026.

Questions
8
in 7 shifts
Ideas asked
7
1 asked more than once
Numerical answer
1
13% of its questions
Pattern
Asked most years
last asked 2026
Questions each year
0240’171’203’210’221’231’240’252’26

In the shifts Lumi analysed for each year.

Difficulty and format
Easy 1Medium 6Hard 1

Format

  • Single correct5 Q
  • Other2 Q
  • Numerical value1 Q
Ideas inside the topic
7 ideas
Where it sits

Part of The d- and f-Block Elements, which had 61 questions in all. f-Block Elements accounts for 13% of them. In Lumi's JEE taxonomy it belongs to Inorganic Chemistry.

Some questions sit in other chapters too: The s-Block Elements.

Every question

All 8 f-Block Elements questions

Newest first, each with its options and official answer.

  1. 4 Apr 2026, Shift 1 · Q60The correct statements among the following are, A. Mo(VI) and W(VI) are less stable than Cr(VI). B. Ce4+\mathrm{Ce^{4+}} and…HardOther
  2. 4 Apr 2026, Shift 2 · Q59Pairs of elements with the same number of electrons in their respective 4f orbital are [Atomic number: Eu-63, Gd-64, Dy-66, Ho-67, Tm-69,…MediumOther
  3. 9 Apr 2024, Shift 1 · Q87Number of colourless lanthanoid ions among the following is ________. Eu3+,Lu3+,Nd3+,La3+,Sm3+\mathrm{Eu^{3+}, Lu^{3+}, Nd^{3+}, La^{3+}, Sm^{3+}}MediumNumerical value
  4. 6 Apr 2023, Shift 1 · Q70Strong reducing and oxidizing agents among the following, respectively, areMediumSingle correct
  5. 3 Aug 2021, Shift 2 · Q33The correct order of the basic character for the following metal hydroxides isMediumSingle correct
  6. 3 Aug 2021, Shift 2 · Q39Which one of the following statements is correct?MediumSingle correct
  7. 16 Mar 2021, Shift 2 · Q38Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin…MediumSingle correct
  8. 6 Sep 2020, Shift 2 · Q38Mischmetal is an alloy consisting mainly of :EasySingle correct