NEET UG 2020 · Chemistry · Question 103
NEET 2020 Chemistry, question 103
Question 103 of the NEET 2020 paper (code E1) is a Chemistry question from The d- and f-Block Elements. Its idea, Magnetic Moment and Colour of d- and f-Block Ions, was asked 7 times, in 2018, 2020, 2024, 2025 and 2026, across NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q103 · Chemistry
The calculated spin only magnetic moment of ion is :
- 13.87 BM
- 24.90 BMOfficial answer
- 35.92 BM
- 42.84 BM
Official answer: option 2 · NTA final answer key
Same idea
Magnetic Moment and Colour of d- and f-Block Ions, in other papers
NEET asked this idea 7 times, in 2018, 2020, 2024, 2025 and 2026. The other 6 questions below.
- 2026 Q67The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of Ce = 58, Nd = 60, Tb = 65 and Ho = 67)One-line MCQ · Medium
- 2025 Q71Given below are two statements : Statement I : Ferromagnetism is considered as an extreme form of paramagnetism. Statement II : The number…Two statements · Medium
- 2024 Q67'Spin only' magnetic moment is same for which of the following ions? A. Ti B. Cr C. Mn D. Fe E. Sc…Other · Medium
- 2024 Q94The pair of lanthanoid ions which are diamagnetic isOne-line MCQ · Hard
- 2018 Q69Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code : Column…Match the lists · Medium
- 2018 Q70Which one of the following ions exhibits d-d transition and paramagnetism as well ?One-line MCQ · Medium
Magnetic Moment and Colour of d- and f-Block Ions: every question and how it was framed
The chapter
The d- and f-Block Elements in ten years of NEET
21 questions from 2017–2026, asked in 10 of 10 papers, about 2.0 a paper. d- and f-Block Elements alone had 21.