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Saturday, 31 October

JEE Main 2023 · ChemistryNumerical answerNumerical valueMediumConceptual

JEE Main 11 April 2023, Shift 2, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

The number of correct statements from the following is __________. A. For 1s orbital, the probability density is maximum at the nucleus B. For 2s orbital, the probability density first increases to maximum and then decreases sharply to zero. C. Boundary surface diagrams of the orbitals encloses a region of 100% probability of finding the electron. D. p and d-orbitals have 1 and 2 angular nodes respectively E. probability density of p-orbital is zero at the nucleus

Official answer

3

NTA final key.

Chapter
Structure of Atom
Topic
Quantum Numbers
Idea tested
Interpreting Radial Probability Curves

Same topic in other shifts

All Quantum Numbers questions
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  3. 5 Apr 2026, Shift 1 · Q53Identify the correct statements from the following : A. Heisenberg uncertainty principle is applicable to electrons. B. The size of 2px2p_x…EasyOther
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  5. 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
  6. 2 Apr 2025, Shift 2 · Q52Which of the following statements are true ? (A) The subsidiary quantum number ll describes the shape of the orbital occupied by the…MediumOtherHas a figure

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.