Learn

Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceOtherEasyApplication

JEE Main 6 April 2024, Shift 2, Chemistry Q69

Question 69 of 90 in this shift, Chemistry question 9 of 30, Section A.

Arrange the following elements in the increasing order of number of unpaired electrons in it. (A) Sc (B) Cr (C) V (D) Ti (E) Mn Choose the correct answer from the options given below :
  1. (1)(B) < (C) < (D) < (E) < (A)
  2. (2)(A) < (D) < (C) < (B) < (E)
  3. (3)(A) < (D) < (C) < (E) < (B)Official answer
  4. (4)(C) < (E) < (B) < (A) < (D)

Official answer

Option 3

NTA final key.

Chapter
Classification of Elements and Periodicity in Properties
Topic
Quantum Numbers
Idea tested
Counting Unpaired Electrons

Same idea in other shifts

Asked 2× in all
  1. 17 Mar 2021, Shift 2 · Q53In the ground state of atomic Fe(Z=26Z = 26), the spin-only magnetic moment is __________×10−1\times 10^{-1} BM. (Round off to the Nearest…EasyNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.