wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chemical Bonding

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

In the formation of a compound AB, an electron is transferred from an atom A to

atom B, then?

a)

A is divalent

b)

B is oxidized and A is reduced

c)

The compound AB is covalent

d)

The compound AB is electrovalent

2.

In ethylene molecule, the sigma bond is formed by ________ overlapping

a)

sp – sp

b)

sp2–sp2

c)

sp3– sp3

d)

sp–sp3

3.

Which of the following has highest bond energy?

a)

H– H bond in H2

b)

C – H in CH4

c)

N[Triple bond]N bond in N2

d)

O = O bond in O2

4.

In which of the following molecule triple covalent bonds are present

a)

CH4

b)

H2

c)

N2

d)

NH3

5.

When sodium and chlorine react, energy is

a)

Released and ionic bond is formed

b)

Released and covalent bond is formed

c)

Absorbed and covalent bond is formed

d)

Absorbed and ionic bond is formed

6.

Which of the following molecule has largest number of shared pair of electrons?

a)

NH3

b)

CO2

c)

C2H4

d)

N2

7.

Elements whose electronegativities are 1.0 and 3.0 would form

a)

Ionic bond

b)

Covalent bond

c)

Co-ordinate bond

d)

Metallic bond

8.

The percentage of ionic and covalent character in HF is

a)

20, 80

b)

80, 20

c)

57, 43

d)

43, 57

9.

The bond energies of F2, Cl2, Br2 and I2 are 37, 58, 46 and 36 kCals respectively. The strongest bond formed is in

a)

F2

b)

Cl2

c)

Br2

d)

I2

10.

According to VSEPR theory, the most probable shape of the molecule having four

electron pairs around the central atom is

a)

Hexagonal

b)

Trigonal bi-pyramidal

c)

Octahedral

d)

Tetrahedral

11.

Sp3 hybridization is not important in describing the bonding in

a)

NH4^+1

b)

CCl4

c)

H2O

d)

CO2

12.

Which shows non directional bonding

a)

BCl3

b)

CsCl

c)

BeCl2

d)

PCl5

13.

H–O–H bond angle in H2O is 104.5° and not 109° because of more space occupied by

a)

High electronegativity of oxygen

b)

Bond pair – bond pair

c)

Lone pair – lone pair

d)

Lone pair – bond pair

14.

CO2 has no dipole moment because of?

a)

Covalent bond

b)

Linear and symmetrical structure

c)

Non- linear structure

d)

No charge displacement

15.

Which of the following species assumes planar structure?

a)

CH3^+

b)

CH4

c)

CH^−3

d)

BF4−

16.

The bond formed between boron trifluoride and ammonia is

a)

Ionic bond

b)

Dative bond

c)

Hydrogen bond

d)

Covalent bond

17.

A -bond is formed by sideway overlapping of

a)

s – s orbitals

b)

p – p orbitals

c)

s – p orbitals

d)

sp – s orbitals

18.

Bond angle in NF3 is more closer to bond angle in

a)

NH3

b)

H2S

c)

CH4

d)

H2O

19.

The compound which contains both ionic and covalent bonds is

a)

CH4

b)

KCN

c)

H2

d)

KCl

20.

The bond angle is maximum in

a)

H2O

b)

CO2

c)

NH3

d)

BF3

21.

If a molecule MX3 has zero dipole moment then -bonding orbital used by

M (At. No. < 21) are

a)

Pure P

b)

sp hybridized

c)

sp2 hybridized

d)

sp3 hybridized

22.

The total number of sigma bonds and pi bonds respectively present in one molecule of ethene are

a)

4 and 1

b)

5 and 1

c)

4 and 2

d)

3 and 2

23.

Bond angle in NH4^+ion is

a)

180° C

b)

109.5°

c)

120°

d)

104.5°

24.

The shape of carbonate ion

(CO3^2- )

a)

Tetrahedral

b)

Square planar

c)

Square planar

d)

Hexagonal

25.

The strongest bond is present in

a)

C O

b)

C N

c)

N N

d)

C C

26.

Octet rule is not followed by

a)

NF3

b)

CF4

c)

CCl4

d)

PCl5

27.

In which of the following molecules central atom is not sp3 hybridized

a)

NH4^+

b)

NH3

c)

NH2−

d)

SO3

28.

Bond energy is independent of

a)

Atomic size

b)

London forces

c)

Bond length

d)

Electronegativity difference

29.

Structure of SnCl2 is

a)

Tetrahedral

b)

Linear

c)

Bent

d)

Trigonal

30.

Which overlapping may not lead to sigma bond formation

a)

p-p in fluorine

b)

s-p in hydrogen fluoride

c)

sp2-sp2

in benzene

d)

p-p in ethene

31.

Ionic bond with greater ionic character is mostly formed between elements of

a)

IA and IIA

b)

IA and VIIA

c)

IA and VIA

d)

IIA and VIIA

32.

How many numbers of non-hybrid orbitals are present in ethene?

a)

0

b)

1

c)

2

d)

4

33.

In which of the following compound, central element is electron deficient

a)

CH4

b)

BF3

c)

PH3

d)

SiCl4

34.

Bonds in calcium carbide between carbon atoms are

a)

Two pi

b)

One sigma and one pi

c)

One sigma and two pi

d)

Ionic (no sigma, no pi)

35.

The Electrovalent bond is present in:

a)

CaO

b)

F2

c)

H2O

d)

NH4

36.

How many unshared pairs of electrons are present in chlorine molecule according to Lewis dot and cross model

a)

1

b)

4

c)

2

d)

6

37.

Which of the following technique is used to measure the bond length of bonded

atoms?

a)

X-Ray diffraction

b)

Chromatography

c)

Microwave spectroscopy

d)

A and C

38.

The bond between atoms of two elements of atomic number 17 and 19 is

a)

Covalent

b)

Ionic

c)

Co-ordinate

d)

Metallic

39.

The most shorter bond is in ____ and most stronger bond is in _____

a)

F2, F2

b)

F2, I2

c)

Cl2, F2

d)

F2, Cl2

40.

Hybridization is extension of ______

a)

VSEPR theory

b)

LFT

c)

MOT

d)

VBT

41.

In which of the following compounds, the bond has the largest percentage of ionic character

a)

H2O

b)

HF

c)

HBr

d)

HCl

42.

The correct order of decreasing polarity is

a)

HF > H2O > NH3

b)

HF > H2O > NH3

c)

HF > NH3 > H2O

d)

H2O > NH3 > HF

43.

Which of the following is non-polar but contains polar bonds?

a)

HCl

b)

H2O

c)

CCl4

d)

SO2

44.

MgO is used to line industrial furnaces because it has very high melting point.

which type of bond need to be broken for Mgo to melt

a)

Ionic

b)

Covalent

c)

Co–ordinate

d)

Metallic

45.

Which is not true in case of ionic bond?

a)

It is linear bond

b)

No bond is 100% ionic

c)

It is formed between two atoms with large electronegativity

difference

d)

Its electronegativity difference is less than 1.7

46.

Which compound has minimum bond length between

a)

C–C in ethane

b)

C = C in ethene

c)

C–Cl in CCl4

d)

C = O in acetone

47.
a)

A

b)

B

c)

C

d)

D

48.
a)

A

b)

B

c)

C

d)

D

49.
a)

A

b)

B

c)

C

d)

D

50.
a)

A

b)

B

c)

C

d)

D

Similar Resources on Wayground

Nomenclatura IIIA/B

48 questions

Nomenclatura IIIA/B

quiz

Worksheet

•

2nd - 3rd Grade

arts

49 questions

arts

quiz

Worksheet

•

1st - 2nd Grade

hk2 50 câu (2)

49 questions

hk2 50 câu (2)

quiz

Worksheet

•

1st - 12th Grade

Thermochemistry & Electrochemistry

50 questions

Thermochemistry & Electrochemistry

quiz

Worksheet

•

2nd Grade

anythinng

45 questions

anythinng

quiz

Worksheet

•

KG - University

U4 Test Review (Ionic Compounds)

55 questions

U4 Test Review (Ionic Compounds)

quiz

Worksheet

•

KG - University

kIỂM TRA HOÁ HỌC

50 questions

kIỂM TRA HOÁ HỌC

quiz

Worksheet

•

1st - 2nd Grade

Câu hỏi vui Hóa học

50 questions

Câu hỏi vui Hóa học

quiz

Worksheet

•

2nd Grade