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2.2 Carbon compounds KBSM F5

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
2.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
3.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
4.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
5.
Give the name of this compound...
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
6.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
7.
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
8.
General formula of Alkane is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
9.

name the group that has a single bond

a)

alkenes

b)

alcohols

c)

alkanes

d)

ethers

10.

Which of the following is not an organic compound?

a)

urea

b)

protein

c)

carbon dioxide

d)

glucose

11.

What are the products formed when organic compounds burn completely ?

a)

carbon and oxygen

b)

carbon dioxide and water

c)

carbon, carbon monoxide and water

d)

carbon, carbon dioxide and water

12.

Name this compound

a)

decane

b)

nonane

c)

octane

d)

heptane

13.

Alkanes molecules are held together by

a)

weak Van der Walls forces of attraction

b)

weak Van der Waals forces of attraction

c)

strong covalent bonds

d)

strong intermolecualr forces

14.
The boiling points and viscosity of alkane molecules increase as their molecular sizes increase.
a)
True
b)
False
15.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
16.

Which of the following has the highest boiling point?

a)

heptane

b)

pentane

c)

nonane

17.

Sugar is considered as

a)

organic carbon compound

b)

inorganic carbon compound

c)

hydrocarbon

d)

alkane

18.

which of the following is an alkane

a)

C4H4

b)

C2H6

c)

C3H8

d)

C5H10

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

20.

Substitution reaction happens when one atoms or a group of atoms in a molecule is (a)   by another atom or group of atoms.