Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

VIII Chemistry CDF mock test

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following molecule having four Sigma bonds with zero lone pair electrons

a)

NH4 and SbF4

b)

PF4 and BF4

c)

NH4 and BF4

d)

None of these

2.

PF3, NCl3, CH3 and H3O are _____ hybridization

a)

SP

b)

SP3

c)

Sp3d

d)

none of these

3.

BCl3 is ____ hybridization

a)

Sp

b)

Sp2

c)

Sp4

d)

None of these

4.

OCl2 , H2Te, OF2 and H2O having ____ sigma and ____ lone pair of electrons

a)

2 and one

b)

2 and 2

c)

2&3

d)

None of these

5.

The angle between any two SP3 hybrid orbitals in an atom is

a)

108° 28'

b)

109°28'

c)

106°20'

d)

None of these

6.

BeCl2 is an example of____ hybrid orbitals

a)

SP

b)

SP3

c)

SP2

d)

None of these

7.

The following molecule having 3 Sigma bonds and one lone pair of electrons

a)

PH3 and BrF3

b)

AsH3 and IF3

c)

PH3 and AsH3

d)

None of these

8.

Angle between two sp3d hybrid orbitals in an atom is

a)

90°and 90°

b)

120°and 80°

c)

90° or 120°

d)

None of these

9.

1S orbital 3p orbital and 1 d orbital combines and gives five identical orbital is called______ orbital

a)

SP2d

b)

SPd

c)

Sp

d)

sp3d

10.

[Cd(CN) 4] is ____ hybrid orbitals

a)

Sp

b)

sp3

c)

sp4

d)

None of these