Making polymers - C1d

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  • Created by: iram_f
  • Created on: 29-06-14 18:26
What are some differences between alkanes and alkenes?
Alkanes are saturated (they have a single covalent bond) whilst alkenes are unsaturated (they have a double covalent bond). For alkanes: 2n+2 and for alkenes: 2n
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What conditions are needed for addition polymerisation?
You need high amounts of pressure and a catalyst.
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Why does an alkene react with bromine water, unlike an alkane?
Due to their weak double bond, an alkene can decolourise the bromine water and form a dibromo compound.
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What occurs during polymerisation?
Many monomers join together to become a polymer chain.
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What is the monomer in the reaction: ethene → poly(ethene)?
Ethene is - note how the polymer is lots of ethene monomers.
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Other cards in this set

Card 2

Front

What conditions are needed for addition polymerisation?

Back

You need high amounts of pressure and a catalyst.

Card 3

Front

Why does an alkene react with bromine water, unlike an alkane?

Back

Preview of the front of card 3

Card 4

Front

What occurs during polymerisation?

Back

Preview of the front of card 4

Card 5

Front

What is the monomer in the reaction: ethene → poly(ethene)?

Back

Preview of the front of card 5

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