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Carbon and its compound

Total questions: 25

Worksheet time: 12mins

Name
Class
Date
1.

Carbon latin word is

a)

Carbon

b)

Carbonic

c)

Coal

d)

Carbo

2.

Atomic No. of Carbon,No. of Electron,No. of Proton,No of electron is

a)

12

b)

7

c)

6

d)

4

3.

Benzen Formula is

a)

C6H12

b)

C6H8

c)

C8H6

d)

C6H6

4.

Benzen always form a

a)

Straight chain structure

b)

Ring or closed structure

c)

Parallel structure

d)

branched structure

5.

Isomers have

a)

same structure and different formula

b)

different formula different structure

c)

same formula different structure

d)

same structure same formula

6.

Coal are of _____ types

a)

1

b)

4

c)

2

d)

3

7.

Covalent compound are mettalic in nature

a)

true

b)

false

8.

Buckministerfullerance found in

a)

combined state

b)

free state

9.

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

10.

General formula of Alkane is

a)

CnH2n+4

b)

CnH2n+2

c)

CnH2n

d)

CnH2n-2

11.

Prefix But is used when no. of carbon are

a)

1

b)

3

c)

4

d)

5

12.

Hetero-atom in C6H1206

a)

Carbon

b)

Hydrogen

c)

Oxide

d)

Oxygen

13.

One Bond( - ) means

a)

1 electron

b)

3 electron

c)

2 electron

d)

1 x 2 e + 1e

14.

Which of the following is the molecular formula of cyclobutane?

a)

C4H10

b)

C4H6

c)

C4H8

d)

C4H4

15.

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

a)

1

b)

3

c)

4

d)

5

16.

Which of the following is/are alkyne?

a)

C3H4

b)

C4H8

c)

C5H12

d)

C6H10

17.

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

18.

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

a)

C-C

b)

C=C

c)

-OH

d)

-COOH

19.

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

20.

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

a)

isomers

b)

isotopes

c)

polymers

d)

alkanes

21.
Which is used as a cutting tool and in jewelry?
a)
graphite
b)
diamond
c)
fullerene
d)
none of these
22.

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

a)

Superposition

b)

Catenation

c)

Isomerisation

d)

Halogenation

23.

The isomeric pair is

a)

ethane and propane

b)

propane and butane

c)

ethane and ethane

d)

butane and 2-methyl propane

24.

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.

25.

Organic compounds

a)

are made only of carbon

b)

contain carbon bonded to hydrogen and nothing else

c)

contain carbon bonded to hydrogen

d)

contain only oxygen