C3 - Organic Chemistry

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

What does the homologous series of alcohols contain?

Back (Answer)

The -OH functional group.

Front (Question)

What does the homologous series of carboxylic acids contain?

Back (Answer)

The -COOH functional group.

Front (Question)

What does the homologous series of esters contain?

Back (Answer)

The -COO- functional group.

Front (Question)

What do all organic compounds contain?

Back (Answer)

Carbon

Front (Question)

What is a homologous series?

Back (Answer)

A family of compounds which all contain the same functional group.

Front (Question)

What are the first three members of the homologous series of alcohols?

Back (Answer)

• Methanol • Ethanol • Propanol

Front (Question)

What is the formula of ethanol?

Back (Answer)

C2H6O

Front (Question)

What is the structural formula of ethanol?

Back (Answer)

CH3CH2OH

Front (Question)

What is ethanoic acid used in?

Back (Answer)

Vinegar

#10

Front (Question)

What is the structural formula of ethanoic acid?

Back (Answer)

CH3COOH

#11

Front (Question)

What are the first three members of the homologous series of carboxylic acids?

Back (Answer)

• Methanoic acid • Ethanoic acid • Propanoic acid

#12

Front (Question)

What is the formula for ethyl ethanoate?

Back (Answer)

CH3COOCH2

#13

Front (Question)

Give five uses for alcohols.

Back (Answer)

• Cosmetics (perfume) • Chemical feedstock • Fuel • Solvent • Alcoholic consumption

#14

Front (Question)

Give the word equation for the combustion of ethanol.

Back (Answer)

ethanol + oxygen —-> carbon dioxide + water

#15

Front (Question)

Give the symbol equation for the combustion of ethanol.

Back (Answer)

C2H5OH + 3O2 —-> 2CO2 +3H2O

#16

Front (Question)

Which gas is produced when alcohols are reacted with sodium?

Back (Answer)

Hydrogen

#17

Front (Question)

Give the word equation for the reaction between ethanol and sodium.

Back (Answer)

sodium + ethanol —-> sodium ethoxide + hydrogen

#18

Front (Question)

How does the reaction between sodium and alcohol compare with the reaction between sodium and water?

Back (Answer)

The reaction between sodium and alcohol is less vigorous.

#19

Front (Question)

What is potassium dichromate (VI)?

Back (Answer)

A chemical oxidising agent.

#20

Front (Question)

How is ethanol made into ethanoic acid?

Back (Answer)

• The ethanol is boiled with acidified potassium dichromate. - Ethanol is left exposed to the air and microbes produce ethanoic acid.

#21

Front (Question)

What type of reaction occurs when ethanol is made into ethanoic acid?

Back (Answer)

Oxidation

#22

Front (Question)

Give two ways in which carboxylic acids can be identified.

Back (Answer)

• They have a pH of less than 7 - Carbonates will fizz and produce CO2.

#23

Front (Question)

Why are carboxylic acids weak?

Back (Answer)

The molecules don’t ionise much.

#24

Front (Question)

What makes a strong acid?

Back (Answer)

When the molecules ionise completely in solution.