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Organic Chem Test 1

Total questions: 21

Worksheet time: 40mins

Name
Class
Date
1.

Which two elements do all organic compounds contain?

a)

Carbon and hydrogen

b)

Carbon and oxygen

c)

Oxygen and hydrogen

d)

Carbon and nitrogen

2.

Organic compounds made only of the elements carbon and hydrogen are called...

a)

Hydrocarbons

b)

Carbohydrogens

c)

Carbohydrates

d)

Hydrocarbonates

3.

Alkane molecules are made of which elements?

a)

Carbon and hydrogen

b)

Carbon, hydrogen and oxygen

c)

Carbon and oxygen

d)

Carbon, nitrogen and hydrogen

4.

All molecules of the alkane homologous series have which ending in their name?

a)

-ane

b)

-ene

c)

-anol

d)

-anoic acid

5.

Which is the correct general formula for the alkanes?

a)

CnH2n+2

b)

CnH2n

c)

CnH2n+1OH

d)

CnH2n+1COOH

6.

Which type of bonding is present within organic molecules?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Hydrogen bond

7.

What is the name of the alkane shown here?

a)

Methane

b)

Ethane

c)

Propane

d)

Butane

8.

Is the chemistry of carbon.

a)

Inorganic Chemistry

b)

Organic Chemistry

c)

Analytical Chemistry

d)

Biochemistry

9.

What the name of the single bond compounds that formed saturated hydrocarbons?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Alkones

10.

What is the name of the double bonded compounds, which are unsaturated?

a)

Alkanes,

b)

Alkenes.

c)

Alkynes

d)

Alkones

11.

Why is methane used as a fuel?

a)

It burns and releases energy (Exothermic reaction)

b)

It is a gas

c)

It is odourless

d)

It has a low boiling point

12.

Aliphatic hydrocarbons consist only single bonds, and so are called ____________ hydrocarbons.

a)

unsaturated

b)

saturated

c)

aromatic

d)

chain

13.

____________ groups are atoms, groups of atoms or bond that determine the characteristic of an organic compound.

a)

Aliphatic

b)

Aromatic

c)

Functional

d)

Hydrocarbon

14.

How many carbon atoms are in propane?

a)

1

b)

2

c)

3

d)

4

15.

What is the simplest alkane?

a)

Methane

b)

Propane

c)

Ethane

d)

Nonane.

16.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
17.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
18.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

19.

Which of the structures represents 2,2,4-trimethylpentane

a)
b)
c)
d)
20.

What is the structure of 2-methyl pent-2-ene ?

a)

a

b)

b

c)

c

d)

d

21.

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

a)

20

b)

22

c)

40

d)

42