Previous Year NEET Question- Structure And Bonding Concepts

1. The correct answer is (A)

The molecular orbital diagram of O2 is:

The bond order of O2 is 2.

This is because the number of electrons in bonding molecular orbitals is 10, and the number of electrons in antibonding molecular orbitals is 6. Therefore, the bond order is (10 - 6)/2 = 2.

2. The correct answer is (B)

The molecular orbital diagram of N₂ is:

The bond order of N2 is 3.

This is because the number of electrons in bonding molecular orbitals is 10, and the number of electrons in antibonding molecular orbitals is 4. Therefore, the bond order is (10 - 4)/2 = 3.

3. The correct answer is (D)

The molecular orbital diagram of F2 is:

The bond order of F2 is 0.

This is because the number of electrons in bonding molecular orbitals is 8, and the number of electrons in antibonding molecular orbitals is 2. Therefore, the bond order is 8 - 6 = 1.

4. The correct answer is not provided.