C3 - Alcohols Flashcards Preview

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Flashcards in C3 - Alcohols Deck (21):
1

What is the functional group for alcohols?

OH.

2

What is the formula for methanol?

C H3 OH.

3

What is the formula for ethanol?

C2 H5 OH.

4

What is the formula for propanol?

C3 H7 OH.

5

What type of series are the alcohols, what does this mean and why?

They are a homologous series.

This means they react in the same way as they have the same functional group.

6

What do alcohols do in air?

They burn to produce CO2 + water.

7

What do alcohols do in water?

They dissolve to form a neutral solution.

8

What happens when you react alcohols with sodium?

An alkoxide & hydrogen are produced.

9

What is the consumable use for ethanol?

Alcoholic drinks.

10

Why is ethanol used in alcoholic drinks?

It is not as toxic as methanol.

11

What happens if a person consumes methanol?

It causes blindness.

12

What damage does ethanol consumption do?

Damages the liver & brain.

13

Why is ethanol a good solvent?

It can dissolve substances that water can't.

14

What happens if you mix ethanol with water & oil?

Perfume is produced.

15

What is methylated spirit?

Ethanol with added chemicals.

16

What are the uses of methylated spirit? [2]

Cleaning brushes.

Fuel.

17

What is added to methylated spirit and why?

Purple-blue dye is added as a warning because it is poisonous.

18

Why is ethanol burned?

It is a clean burner.

19

What are the uses of burning ethanol? [3]

Spirit burners.

Car fuel: less pollution.

20

How can you produce ethanol?

By fermenting sugar cane.

21

What is the general formula for alcohols?

Cn H2n+1 OH.