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Saturday, 31 October

JEE Main 2021 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 17 March 2021, Shift 1, Chemistry Q53

Question 53 of 90 in this shift, Chemistry question 23 of 30, Section B.

A certain orbital has n=4n = 4 and mL=−3m_L = -3. The number of radial nodes in this orbital is __________. (Round off to the Nearest Integer).

Official answer

0

NTA final key.

Chapter
Structure of Atom
Topic
Quantum Numbers
Idea tested
Calculation of Radial and Angular Nodes

Same idea in other shifts

Asked 8× in all
  1. 6 Apr 2026, Shift 1 · Q53Match the LIST-I with LIST-II List-I (Orbital) | List-II (Radial nodes and nodal plane) A. 2s | I. 1 Radial node + two nodal planes B. 3s…MediumMatch the list
  2. 1 Feb 2024, Shift 2 · Q61The number of radial node/s for 3p orbital is :EasySingle correct
  3. 8 Apr 2023, Shift 2 · Q81The number of atomic orbitals from the following having 5 radial nodes is ____________. 7s, 7p, 6s, 8p, 8dEasyNumerical value
  4. 26 Jun 2022, Shift 2 · Q61The number of radial and angular nodes in 4d orbital are, respectivelyEasySingle correct
  5. 30 Jun 2022, Shift 1 · Q62The number of radial nodes and total number of nodes in 4p orbital respectively are :EasySingle correct
  6. 26 Feb 2021, Shift 1 · Q31The orbital having two radial as well as two angular nodes is :EasySingle correct
  7. 18 Mar 2021, Shift 1 · Q32A certain orbital has no angular nodes and two radial nodes. The orbital is :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.