Chemical Bonding and Molecular Structure — JEE Main 2026 · 4 Apr, Evening shift · Q53

Question

Which of the following pictorial diagram most correctly represents the π^ (π -antibonding) molecular orbital between two atoms if the internuclear axis is taken to be in the z-direction?

Accepted Answer

(C) Diagram 3: two p orbitals perpendicular to the axis, upper-left and lower-right lobes shaded (opposite phases on the two atoms), with a node between them

Answer

(A) Diagram 1: a shaded lobe above and an unshaded lobe below, spanning both nuclei (shown as two dots)

Answer

(B) Diagram 2: two p orbitals perpendicular to the axis, both upper lobes shaded and both lower lobes unshaded

Answer

(D) Diagram 4: two p orbitals along the axis, end-to-end, with alternating shaded and unshaded lobes

Chemical Bonding and Molecular Structure: JEE Main 2026 Chemistry question

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Chemical Bonding and Molecular Structure: JEE Main 2026 Chemistry question

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