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Principles of Inorganic Chemistry -II

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The hybridisation in ClF3 is -------

a)

sp3d

b)

sp2

c)

sp

d)

sp3

2.

Geometry of H3O+ is -----

a)

Tetrahedral

b)

Distorted tetrahedral

c)

pyramidal

d)

square planar

3.

Bond order of NO+ ion is ----

a)

3

b)

1

c)

2

d)

4

4.

The lower hydrogen bonding in Ammonia than in water is due to

a)

more ionisation energy of nitrogen than oxygen

b)

Lesser ionisation energy of nitrogen than oxygen

c)

Lesser electronegativity of nitrogen than oxygen

d)

more electronegativity of nitrogen than oxygen

5.

On heating from 0 to 4 oC, water

a)

contracts

b)

expands

c)

No change will occur

6.

On heating a metal oxide with boron carbides, we get

a)

carbides

b)

borides

c)

silicides

d)

nitrides

7.

Thermal decomposition of metal amides will give

a)

nitrides

b)

borides

c)

carbides

d)

silicides

8.

Oxidation of phosphine with oxygen at low pressure will give

a)

metaphosphorous acid

b)

orthophosphorous acid

c)

pyrophosphorous acid

d)

hypophosphorous acid

9.

On heating boric acid at 100 oC, will give

a)

Metaboric acid

b)

orthoboric acid

c)

pyroboric acid

d)

boron nitride

10.

Diborane on hydrolysis will give

a)

Boron nitride

b)

boric acid

c)

borazole

d)

borax