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Hydrocarbons

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

_______________________are compounds that contain only carbon and hydrogen

a)

Hydrocarbons

b)

Inorganic compounds

c)

Acids

2.

Unsaturated hydrocarbons are hydrocarbons in which each carbon atom in the molecule forms four single covalent bonds with other atoms

a)

True

b)

False

3.

Hydrocarbons that contain only single bonds are alkanes.

a)

True

b)

False

4.

Propane (C3H8) and Ethane (C2H6) have the same number of hydrogens atoms.

a)

True

b)

False

5.

Using the formula : CnH(2n+2)

Calculate the number of hydrogen atoms of a hydrocarbon with 40 carbons.

(a)  

6.

Is the simplest hydrocarbon

a)

Methane

b)

Methyl

c)

Hexane

d)

Nonane

7.

Unsaturated hydrocarbons have at least one carbon-carbon double bond.

a)

True

b)

False

8.

________________are hydrocarbons that contain double covalent bonds

a)

Alkanes

b)

Alkynes

c)

Alkenes

9.

The general formula for alcohols is R-OH.

a)

True

b)

False

10.
What is the general formula for saturated hydrocarbons?
a)
CnH2n
b)
CnHn+1
c)
CnH2n+1
d)
CnH2n+2
11.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
12.
How many carbon atoms are in ethane?
a)
1
b)
2
c)
3
d)
4
13.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
14.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
15.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
16.

What is the general formula of the alkenes?

a)

CnH2n+1

b)

CnH2n+2

c)

CnH2n

d)

CnH2n+1OH

17.
How many carbon atoms are in propane?
a)
1
b)
2
c)
3
d)
4
18.
How many carbon atoms are in butane?
a)
1
b)
2
c)
3
d)
4
19.

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

a)

20

b)

22

c)

40

d)

42

20.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
21.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

22.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
23.

Which of the following is not an organic compound?

a)

urea

b)

protein

c)

carbon dioxide

d)

glucose

24.

Name this compound

a)

decane

b)

nonane

c)

octane

d)

heptane

25.
Which of the following elements must be present in any organic compound?
a)
Carbon
b)
Oxygen
c)
Potassium
d)
Hydrogen