JEE Main 2024 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 8 April 2024, Shift 2, Chemistry Q61

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

When

\psi_A

and

\psi_B

are the wave functions of atomic orbitals, then

\sigma^*

is represented by :

(1) $\psi_A + \psi_B$
(2) $\psi_A - \psi_B$ Official answer
(3) $\psi_A + 2\psi_B$
(4) $\psi_A - 2\psi_B$

Official answer

Option 2

NTA final key.

Chapter: Chemical Bonding and Molecular Structure
Topic: Molecular Orbital Theory
Idea tested: LCAO and MO Formation

Same idea in other shifts

Asked 3× in all

30 Jan 2024, Shift 1 · Q82The total number of molecular orbitals formed from 2s and 2p atomic orbitals of a diatomic molecule is ________.EasyNumerical value
31 Jan 2024, Shift 1 · Q61The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals A. have the same…EasyOther

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.