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Introduction to Organic Chemistry

Total questions: 10

Worksheet time: 10mins

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.

Which one of the following characteristics is not correct for all of the members of the same homologous series?

a)

Same general formula

b)

Similar chemical properties, i.e. undergo the same reactions

c)

Varying physical properties, i.e. change in a predictable way

d)

Different functional group

4.

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

5.

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

a)

-ane

b)

-ene

c)

-anol

d)

-anoic acid

6.

The first four alkanes are listed below. In which list are they placed in the correct order, i.e. increasing number of carbon atoms?

a)

methane, ethane, propane, butane

b)

ethane, methane, propane, butane

c)

methane, ethane, butane, propane

d)

methane, propane, ethane, butane

7.

Which is the correct general formula for the alkanes?

a)

CnH2n+2

b)

CnH2n

c)

CnH2n+1OH

d)

CnH2n+1COOH

8.

Which type of bonding is present within organic molecules?

a)

Covalent bond

b)

Ionic bond

c)

Metallic bond

d)

Hydrogen bond

9.

Which list does NOT contain compounds found in the same homologous series?

a)

methane, ethane, propane, butane

b)

Pentane, hexanol, heptane, octane

c)

nonane, decane, undecane, dodecane

d)

tridecane, tetradecane, pentadecane, hexadecane

10.

What is the name of the alkane shown here?

a)

Methane

b)

Ethane

c)

Propane

d)

Butane