wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CFT

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

According to Crystal field theory the bond between metal and ligand is purely ------------.

a)

Electrostatic

b)

Covalent

c)

No such type of interactions

2.

The magnitude of Crystal Field splitting of d orbitals depends on

a)

Orientation of the d orbitals around the central metal ion .

b)

Number of interacting ligand

c)

Nature of the ligand

d)

Nature of the metal

e)

All of the above

3.

The extent of splitting in Octahedral complexes is denoted by ---------------

a)

Δt

b)

Δ0

c)

Δsp

4.

The ligands with high CFSE than pairing energy called

a)

Strong field ligands

b)

Weak field ligands

c)

Neutral ligands

5.

When the ligands move along the x, y and z axes of d orbital in metal ion (octahedral geometry), they approach directly toward or between the lobes. Name the d orbitals that feel less repulsion?

a)

dz2

b)

dxy and dxz

c)

dxy, dxz and dyz

d)

dz2 and dx2- y2

6.

When the ligands move along the x, y and z axes of d orbital in metal ion (tetrahedral geometry), none of the five d orbitals is directly in their path. Name the d orbitals that feel strong repulsion?

a)

dz2 and dx2- y2

b)

dxy, dxz and dyz

c)

dxy and dxz

d)

dz2

7.

The energy diagram of the d orbital energy splitting complexes in octahedral geometry, shows the d orbitals with higher in energy (eg) which refer to _____________ d orbitals

a)

dxy, dxz and dyz

b)

dxy and dxz

c)

dz2 and dx2- y2

d)

dz2

8.

Which of following has highest CFSE

a)

[Cr(H2O)6]3+

b)

[Mn(H2O)6]2+

c)

[FeCl4]2-

d)

[TiF6]3-

9.

In presence of strong field ligands ----------complexes could result .

a)

High spin complexes

b)

low spin complexes

c)

Inner orbital complexes

d)

Both 2 and 3 options

10.

Define Spectrochemical series and write the order of the ligands.

4 lines
11.

Axial Orbitals are ----------

a)

dxy ,dyz ,dzx

b)

dx2-y2 ,dz2

12.

Define degeneracy

4 lines
13.

----------- ligand are high electro negative and donor atoms of ligand are C/N/P

(a)  

14.

Crystal field strength of the ligand is inverse proportional to splitting energy

a)

true

b)

false

15.

What does CFSE refer to?

a)

Crystal field splitting energy

b)

Crystal field stabilization energy

c)

Crystal field special energy

d)

Crystal field side energy

e)

None of above