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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceAssertion–reasonMediumConceptual

JEE Main 27 July 2022, Shift 1, Chemistry Q63

Question 63 of 90 in this shift, Chemistry question 3 of 30, Section A.

Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Energy of 2s orbital of hydrogen atom is greater than that of 2s orbital of lithium. Reason R: Energies of the orbitals in the same subshell decrease with increase in the atomic number. In the light of the above statements, choose the correct answer from the options given below.
  1. (1)Both A and R are true and R is the correct explanation of A.Official answer
  2. (2)Both A and R are true but R is NOT the correct explanation of A.
  3. (3)A is true but R is false.
  4. (4)A is false but R is true.

Official answer

Option 1

NTA final key.

Chapter
Structure of Atom
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.