Chemistry-Molecular Orbital Theory
NEET Chemistry Molecular Orbital Theory Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 11
Assertion (A): A bonding molecular orbital has lower energy than the corresponding antibonding molecular orbital. | Reason (R): In a bonding molecular orbital, electron density is concentrated between the nuclei, reducing repulsion between them.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option A
Detailed Explanation
The assertion and reason are both true, and the reason correctly explains the assertion. The electron density between the nuclei in a bonding molecular orbital leads to reduced repulsion and increased stability, thus resulting in lower energy compared to an antibonding molecular orbital.
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