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Saturday, 31 October

JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyApplication

JEE Main 9 April 2024, Shift 1, Chemistry Q61

Question 61 of 90 in this shift, Chemistry question 1 of 30, Section A.

Compare the energies of following sets of quantum numbers for multielectron system. (A) n=4,l=1n=4, l=1 (B) n=4,l=2n=4, l=2 (C) n=3,l=1n=3, l=1 (D) n=3,l=2n=3, l=2 (E) n=4,l=0n=4, l=0 Choose the correct answer from the options given below :
  1. (1)(E) > (C) > (A) > (D) > (B)
  2. (2)(C) < (E) < (D) < (A) < (B)Official answer
  3. (3)(E) < (C) < (D) < (A) < (B)
  4. (4)(B) > (A) > (C) > (E) > (D)

Official answer

Option 2

NTA final key.

Chapter
Structure of Atom
Topic
Quantum Numbers
Idea tested
Aufbau Principle and n+l Rule

Same idea in other shifts

Asked 8× in all
  1. 4 Apr 2026, Shift 1 · Q53Which of the following is correct set of 44 quantum numbers of 19th19^{\text{th}} electron in Chromium (Atomic number =24=24) in accordance…MediumSingle correct
  2. 5 Apr 2026, Shift 1 · Q52Arrange the following atomic orbitals of multi electron atoms in order of increasing energy. A. n=3,l=2,m=+1n = 3, l = 2, m = +1 B.…MediumOther
  3. 5 Apr 2026, Shift 2 · Q52Which of the following statement(s) is/are true ? A. If two orbitals have the same value of (n+l)(n+l), the orbital with lower value of n…MediumOther
  4. 27 Jul 2022, Shift 2 · Q61The correct decreasing order of energy for the orbitals having, following set of quantum numbers : (A) n=3n=3, l=0l=0, m=0m=0 (B) n=4n=4,…EasySingle correct
  5. 29 Jul 2022, Shift 2 · Q62Given below are the quantum numbers for 4 electrons. A. n=3,l=2,ml=1,ms=+1/2n = 3, l = 2, m_l = 1, m_s = +1/2 B. n=4,l=1,ml=0,ms=+1/2n = 4, l = 1, m_l = 0, m_s = +1/2 C.…MediumSingle correct
  6. 22 Jul 2021, Shift 2 · Q53Number of electrons that Vanadium (Z=23) has in p-orbitals is equal to ________.EasyNumerical value
  7. 5 Sep 2020, Shift 1 · Q33In the sixth period, the orbitals that are filled are :EasySingle correct

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.