Quantum mechanics III

The bond order of B2 molecule is

• 0

• 1

• 2

• 3

Number of orbitals for an f subshell is

• 1

• 2

• 5

• 7

The number of radial nodes for 3s orbitals of H atom are

• 0

• 1

• 2

• 3

In antibonding molecular orbital, there is a -----------of electron density from the region between the uclei.

• build up

• depletion

• attraction

• addition

The lateral interaction between the orbitals result in the formation of -------molecular orbital.

• pi

• sigma

• non bonding

• none

If x is the internuclear axis, overlap between px and px orbitals will lead to a

• pi MO

• sigma MO

• nMO

• none

Bond order is ---------- proportional to bond strength.

• inversely

• directly

• independent

• exponentially

According to MOT, N2 molecule is --------

• paramagnetic

• ferromagnetic

• diamagnetic

• non magnetic

Bond order of H₂⁺ ion is

• 0

• 0.5

• 1

• 1.5

Out of O₂, O₂⁺, O₂^- and O₂^2- the diamagnetic species is---

• O₂

• O₂⁺

• O₂^-

• O₂^2-