Molecular Orbital Theory (Its Important features. LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, the concept of bond order, bond length, and bond energy ) NEET Questions

Physical Chemistry - Chemical Bonding and Molecular Structure

Molecular Orbital Theory (Its Important features. LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, the concept of bond order, bond length, and bond energy ) MCQ Questions


1.
Molecular Orbital Theory was developed by
A.
Bohr
B.
Pauling
C.
Heitler and London
D.
Linnett and Mulliken
πŸ˜‘ View Answer Rough Work Error
ANSWER :
D. Linnett and Mulliken
2.
According to MOT, atomic orbitals combine to form
A.
Mixture orbitals
B.
Complex orbitals
C.
Molecular orbitals
D.
Eigen orbitals
πŸ˜‘ View Answer Rough Work Error
ANSWER :
C. Molecular orbitals
3.
LCAO stands for
A.
Linear Combination of Atomic Orbitals
B.
Linear Central Atom Orbitals
C.
Local Combination of Atomic Orbitals
D.
Localized Center of Atomic Orbitals
πŸ˜‘ View Answer Rough Work Error
ANSWER :
A. Linear Combination of Atomic Orbitals
4.
Bonding molecular orbitals are formed by
A.
Addition of wave functions
B.
Subtraction of wave functions
C.
Overlapping of core orbitals
D.
Overlap of nucleus
πŸ˜‘ View Answer Rough Work Error
ANSWER :
A. Addition of wave functions
5.
Which of the following is a bonding orbital?
A.
Οƒ*
B.
Ο€*
C.
Οƒ
D.
Ο€*
πŸ˜‘ View Answer Rough Work Error
ANSWER :
C. Οƒ
6.
Which of the following is more stable?
A.
Bonding MO
B.
Antibonding MO
C.
Non-bonding MO
D.
Excited MO
πŸ˜‘ View Answer Rough Work Error
ANSWER :
A. Bonding MO