Chemistry 5

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  • Created by: Ella Bond
  • Created on: 29-04-13 17:49
Name the first 3 members of the alkanes.
Methane, ethane and propane.
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What is alcohols functional group?
-OH
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What is a functional group?
A group of atoms responsible for the characteristic reactions of a particular compound.
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What is a homologous series?
A family of compounds with the same functional group.
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Name the first 3 members of carboxylic acids.
Mathanoic acid, ethanoic acid and propanoic acid.
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What is the functional group of carboxylic acids?
-COOH
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What is the functional group of esters?
-COO-
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What are the uses of alcohols?
Solvents, alcoholic drinks and alternative fuels.
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Why are alcohols useful solvents?
Many organic substances dissolve in them.
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How do alcohols react with sodium?
The sodium fizzes, giving off hydrogen gas and dissolving to form a solution.
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How can you oxidise an alcohol?
By combustion, by boiling the alcohol or by using chemical oxidising agents.
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What is produced during the combustion of alcohols?
Carbon dioxide and water.
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How are esters made?
Carboxylic acid + alcohol --------> ester + water
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Why are carboxylic acids said to be weak acids?
Acids that ionise completely in an aqueous solution are known as strong acids. Acids that do not ionise completely in an aqueous solution are known as weak acids. Carboxylic acids do not ionise completely in water.
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What are the issues with alcoholic drinks?
They can put your health at risk such as high blood pressure and liver damage, people become addicted to it which can change peoples behavior and it may cause you to become unemployed due to this.
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What are the advantages of bio fuels?
It is an alternative to crude oil, it is carbon neutral and so it doesn't contribute to global warming as much. The land used to make bio fuel could be used to grow crops, the land used destroys habitats and wildlife and crops are wasted on fuel.
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Other cards in this set

Card 2

Front

What is alcohols functional group?

Back

-OH

Card 3

Front

What is a functional group?

Back

Preview of the front of card 3

Card 4

Front

What is a homologous series?

Back

Preview of the front of card 4

Card 5

Front

Name the first 3 members of carboxylic acids.

Back

Preview of the front of card 5
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