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chemistry of Group13,14,15,16,17 elements

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

Which of the following order is correct regarding Electron affinity

a)

F>Cl>Br>I

b)

I>Br>Cl>F

c)

Cl>F>Br>I

d)

F=Cl>Br>I

2.

Which of the following order is correct regarding First ionisation enthalpy

a)

B<C<N<O

b)

B<C<N>O

c)

B>C>N>O

d)

B<C<N=O

3.

The oxidation state of oxygen in OF2

a)

-2

b)

-1

c)

+1

d)

+2

4.

Which of the following is an amphoteric oxide

a)

Pb3O4

b)

Na2O

c)

K2O2

d)

Al2O3

5.

Which of the following is not a basic oxide

a)

K2O

b)

CaO

c)

Cs2O

d)

N2O5

6.

The central atom in interhalogen compound BrF,BrCl respectively

a)

Br,Cl

b)

F,Cl

c)

Br,Br

d)

F,Br

7.

The hybridization of Boran and Nitrogen atoms in inorganic benzene respectively

a)

Sp2 , Sp2

b)

Sp2 , Sp3

c)

Sp3 , Sp3

d)

Sp3 , Sp2

8.

Which of the following is an Inorganic graphite

a)

B3N3H6

b)

(BN)x

c)

H3BO3

d)

B2O3

9.

The correct order of Catenation property

a)

C<Si<Ge<Sn<Pb

b)

C>Si>Ge=Sn

c)

C>Si>Ge<Sn<Pb

d)

Si>C>GeSn

10.

Which of the following is wrong pair

a)

Haber process - Ammonia

b)

Contact process - H2SO4

c)

Ostwald's process - Nitric acid

d)

None

11.

Which of the following compound has greater stability?

a)

TlCl3

b)

TlCl

c)

PbCl4

d)

All

12.

The shape BrF5 ?

a)

Square planar

b)

Trigonal bipyramidal

c)

Square pyramidal

d)

Pentagonal bipyramidal

13.

The oxidation state of oxygen in Normal oxides, Super oxides, peroxides respectively?

a)

-1/2, -2, -1

b)

-1, -2, -1/2

c)

-2, -1/2, -1

d)

-2, -1, -1/2

14.

Which of the following is caro's acid?

a)

H2SO5

b)

H2SO4

c)

H2S2O7

d)

H2S2O3

15.

The hybridization of Boron in Diborane, Borazine, Boron nitride respectively?

a)

Sp2, Sp3, sp

b)

Sp2, sp3, Sp2

c)

Sp3, sp2, sp

d)

Sp3, Sp2, Sp2

16.

Diborane on heating with ammonia to give

a)

Boron nitride

b)

Borazine

c)

Orthoboric acid

d)

Borax bead

17.

The hybridisation state of carbon in Diamond , Graphite, Fullerene respectively

a)

Sp3, Sp3, sp

b)

Sp3, Sp, Sp2

c)

Sp3, sp2, sp2

d)

Sp2, Sp2, sp3

18.

Which of the following is Pseudo halide?

a)

CN-

b)

SCN-

c)

N3-

d)

All

19.

The catalyst used in Contact process is ----------

a)

Fe

b)

V2O5

c)

Pt

d)

Ni

20.

Which of the following is Inorganic graphite?

a)

B2H6

b)

(BN)x

c)

B3N3H6

d)

H3BO3

21.

Diborane on hydrolysis give ----------

a)

(BN)x

b)

B2H6

c)

B3N3H6

d)

H3BO3

22.

Silicones contains -------as repeating unit

a)

R3SiO

b)

RSiO2

c)

R2SiO

d)

R2Si2O2

23.

The monomer of cross linked silicones is -----

a)

RSi(OH)3

b)

R2Si(OH)2

c)

R3Si(OH)

d)

R2SiCl2

24.

The shape of XeO3 is ------

a)

Sp2

b)

Sp3d

c)

Sp3

d)

Sp3d2

25.

The element exhibit highest oxidation state?

a)

Mn

b)

Fe

c)

Os

d)

Zn

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