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CARBON AND ITS COMPOUNDS

Total questions: 57

Worksheet time: 31mins

Name
Class
Date
1.

Sodium Chloride (NaCl)

a)

organic compound

b)

inorganic compound

2.
Which consists of carbon atoms?
a)
graphite
b)
diamond
c)
fullerene
d)
all of these
3.

Carbon can make 6 bonds

a)

True

b)

False

4.

Carbon can form chains, rings, spheres, and tube structures.

a)

True

b)

False

5.

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:

a)

The food is not cooked completely

b)

The fuel is not burning completely

c)

The fuel is wet

d)

The fuel is burning completely

6.

Cation is formed when

a)

Atom gains electrons

b)

Atom loses electrons

c)

Proton is lost by the atom

d)

Atom shares electrons

7.

The property of self-linkage among identical atoms to form long chain compounds is known

a)

Superposition

b)

Catenation

c)

Isomerisation

d)

Halogenation

8.

What is the definition of isomerism ?

a)

Isomerism is a phenomenon whereby two or more atoms are found to have the same molecular formula but different structural formula

b)

Isomerism is a phenomenon whereby two or more molecules are found to have the same molecular formula but different structural formula

c)

Isomerism are molecules that have the same chemical properties and physical properties

d)

Isomerism are atoms that have the same chemical properties and physical properties

9.

Covalent compounds

a)

have high melting and boiling point

b)

are mostly soluble in water

c)

are formed between atoms of metals and non-metals

d)

are formed by the sharing of electrons in the bonding atoms.

10.

Which of the following is an alkane?

a)

C3H6

b)

C4H8

c)

C5H12

d)

C6H12

11.

Which of the following compound is saturated hydrocarbon?

I CH3CH2CH2CH3

II CH3CHC(CH3)2

III CH3CH2CH(CH3)2

IV CH3CHCHCH3

a)

I and III

b)

II and IV

c)

I, II and III

d)

I, III and IV

12.

From which of the following substance pencil lead is formed?

a)

Charcoal

b)

Wood

c)

Lead

d)

Graphite

13.

Benzene Formula is

a)

C6H12

b)

C6H8

c)

C8H6

d)

C6H6

14.

Allotrope of carbon and their state are

a)

Graphite,Hydrogen/Solid and Liquid

b)

Diamond and Graphite/Amorphous and Liquid

c)

Graphite and Diamond/Crysalline and Amorphous

d)

Diamond and Graphite/Amorphous and Chlorised

15.

General formula of Alkane is

a)

CnH2n+4

b)

CnH2n+2

c)

CnH2n

d)

CnH2n-2

16.

Isomers have

a)

same structure and different formula

b)

different formula different structure

c)

same formula different structure

d)

same structure same formula

17.
Which has a 2D hexagonal layered structure?
a)
graphite
b)
diamond
c)
fullerene
d)
all of these
18.
What structure is shown in the diagram?
a)
Diamond
b)
Graphite
19.
Which has a 3D hexagonal structure?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
20.
Define the term allotropes
a)
Atoms with same proton number but different number of neutrons
b)
Atoms with same proton number but different mass number
c)
Atoms in different arrangement in structure
d)
Atoms in different arrangement and different physical form
21.
What structure is shown in the diagram?
a)
Diamond
b)
Graphite
c)
fullerene
22.

Carbon is arranged in what shape to make diamond?

a)

Triangle

b)

Hexagon

c)

Octahedron

d)

Tetrahedron

23.

How many carbons are there in the longest chain?

a)

5

b)

3

c)

1

d)

6

24.

-Methane is a major constituent of

a)

CNG

b)

Bio-gas

c)

Natural Gas

d)

All the above

25.

The carbons circled in red...

a)

are double bonded

b)

are sharing two pairs of electrons

c)

are sharing three pairs of electrons

d)

Are sharing three electrons

26.

Prefix 'prop' is used when no. of carbon are

a)

1

b)

3

c)

4

d)

5

27.

Which of the following is/are alkyne?

a)

C3H4

b)

C4H8

c)

C5H12

d)

C6H10

28.

Which of the following is the functional group of an alkene?

a)

C-C

b)

C=C

c)

-OH

d)

-COOH

29.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
30.

Alkanes are saturated hydrocarbons. What does this mean?

a)

There are some C=C double bonds present in the molecule

b)

All C atoms are bonded by single covalent bonds

c)

They are very reactive

d)

They have both double and single bond between carbons

31.

General formula of Alkyne is

a)

CnH2n+4

b)

CnH2n+2

c)

CnH2n

d)

CnH2n-2

32.

The structure of which allotrope of Carbon resembles closest to the image shown?

a)

Diamond

b)

Graphite

c)

Buckminsterfullerene

d)

Graphene

33.

The functional group present in the shown compound is

a)

Carboxylic Acid

b)

Ester

c)

Aldehyde

d)

Ketone

34.

The IUPAC name of the given compound is:

a)

Butyl ethanoate

b)

Ethyl butanoate

c)

Methyl butanoate

d)

Butyl propanoate

35.

The IUPAC name of the given hydrocarbon is:

a)

Neopentane

b)

Isopentane

c)

2, 2 - dimethylpropane

d)

2, 3 - dimethylbutane

36.

The chemical formula of the next homologous series of ethanol is:

a)

C3H8O

b)

C2H6O

c)

C3H7O

d)

C3H8O2

37.

Identify the functional group present in it

a)

Carboxylic acids

b)

Aldehyde

c)

Ester

d)

Ketone

38.

Which of the following are saturated hydrocarbons

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

All of the above

39.

Name the compound with formula C2H4

a)

Methane

b)

Ethane

c)

Propane

d)

Ethene

40.

Carbon is

a)

divalent

b)

trivalent

c)

tetravalent

d)

pentavalent

41.
Alkanes are known as saturated hydrocarbons because they contain only carbon-hydrogen single bonds.
a)
True
b)
False
42.

The boiling points of alkane molecules increase as their molecular sizes increase.

a)

True

b)

False

43.

If an alkane has 10 carbon atoms, how many hydrogen atoms will it have?

a)

20

b)

22

c)

40

d)

42

44.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
45.

What is the name of C5H12?

a)

Pentane

b)

Hexane

c)

Butane

d)

Heptane

46.

Which of the following has the highest boiling point?

a)

heptane

b)

pentane

c)

nonane

47.
a)

propane

b)

butane

c)

pentane

48.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
49.

Is the name of doubled bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Allkynes

d)

Tanins

50.

Is the name of triple bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Tanins

51.

Is the first step to name a Hydricarbons

a)

Number the carbons

b)

Name the branches

c)

Find the longest/main chain

d)

Number the branches

52.

is the alkene with 3 carbons in its chain.

a)

Ethene

b)

Propene

c)

Methene

d)

Decene

53.

Is the simplest of alkenes.

a)

Ethene

b)

Propene

c)

Buthene

d)

Pentene

54.

Is the simplest of alkynes.

a)

Ethyne

b)

Propyn

c)

Butyn

d)

Pentyne

55.

Is the name of the representation in the image

a)

Condensed Formula

b)

Line Diagram/Skeletal Formula

c)

Structural Formula

d)

Molecular Formula

56.

Is the name of the representation showed in the image.

a)

Condensed Formula

b)

Structural Formula

c)

Line Diagram/Skeletal Formula

57.

Is the name of the nomenclature seen in class.

a)

IUPAC nomenclature

b)

TUPAC nomenclature

c)

ICE-T nomenclature

d)

ZUPAC nomenclature

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