Match List-I with List-II List-I List-II A Ψ MO = Ψ A - Ψ B I Dipole moment B μ = Q × r II Bonding molecular orbital C N b - N a 2 III Anti-bonding molecualr orbital D Ψ MO = Ψ A + Ψ B IV Bond order

A - III , B - I , C - IV , D - II

A - II , B - I , C - IV , D - III

A - III , B - IV , C - I , D - II

A - III , B - IV , C - II , D - I

EASY

Earn 100

The formation of sigma bonding molecular orbital takes place when atomic orbitals overlap out of the internuclear axis.

50% studentsanswered this correctly

Important Questions on Chemical Bonding and Structure (AHL)

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two

2 p_{z}

orbitals is(are)

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

After understanding the assertion and reason, choose the correct option.

Assertion: In the bonding molecular orbital (MO) of

H_{2},

electron density is increased between the nuclei.
Reason: The bonding MO is

ψ_{A} + ψ_{B}

, which shows destructive interference of the combining electron waves.

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Match List-I with List-II

	List-I		List-II
A	$Ψ_{MO} = Ψ_{A} - Ψ_{B}$	I	Dipole moment
B	$μ = Q \times r$	II	Bonding molecular orbital
C	$\frac{N_{b} - N_{a}}{2}$	III	Anti-bonding molecualr orbital
D	$Ψ_{MO} = Ψ_{A} + Ψ_{B}$	IV	Bond order

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

How many nodes are there in the anti-bonding molecular orbital formed by two

2 s

atomic orbitals?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Main axis of a diatomic molecule is

Z .

Atomic orbital

p_{x}

and

p_{y}

overlapp to form which of the following orbitals?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which of the following molecular/atomic orbitals have gerade symmetry or centre of symmetry?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Sketch the shapes of molecular orbitals formed by the overlap of two s-orbitals. Name the orbitals formed in each case.

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

What is meant by linear combination of atomic orbitals?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which of the following elucidate molecular orbital theory rightly?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which one of the following cannot exist?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

The lowest ionization potential is observed in

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Show that if two atoms bond along their

z

axes, the various

d

orbitals can combine to form

σ, π

δ

(delta) type molecular orbitals.

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

A hydrogen atom is paramagnetic. A hydrogen molecule is

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

B_{2}

molecule will be diamagnetic when:

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

The number of nodal planes present in the

_{σ}^{*} s -

antibonding orbital are

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which of the following combination of orbital is correct ?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which compound has its each carbon atom

{sp}^{3}

hybridized?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Among the following, the paramagnetic compound is:

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Which of the following MO's has two nodal planes?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding and Structure (AHL)>Molecular Orbital Theory (MOT)

Cotyledons are also called-

The formation of sigma bonding molecular orbital takes place when atomic orbitals overlap out of the internuclear axis.

Important Questions on Chemical Bonding and Structure (AHL)

Learn and Prepare for any exam you want !