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Chemistry Paper 2 Separate > 7 Organic Seperate 2 > Flashcards

7 Organic Seperate 2 Flashcards

1
Q

What is polymerisation?

A

The process of using small molecules (monomers) to make long chain molecules (polymers)

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2
Q

What are the two types of polymerisation?

A

Addition and condensation

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3
Q

What monomers are involved in addition polymerisation?

A

Alkenes

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4
Q

How do we draw polymers?

A

In round brackets with an n [poly(ethene) is shown]

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5
Q

What type of monomers are involved in condensation polymerisation?

A

Ones with two functional groups (like a diol)

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6
Q

What are the products of condensation polymerization?

A

A polymer and a small molecule (usually water)

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7
Q

What is an amino acid?

A

A biological molecule with two functional groups

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8
Q

Which functional groups do amino acids have?

A

NH2 and -COOH

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9
Q

What do amino acids form during a condensation reaction?

A

Polypeptides

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10
Q

What is formed from different amino acids combined in one chain?

A

Proteins

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11
Q

What does DNA stand for?

A

Deoxyribonucleic acid

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12
Q

What is DNA?

A

A large molecule containing genetic information

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13
Q

What is the structure of DNA?

A

Two polymer chains made from nucleotides in the form of a double helix

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14
Q

Name four naturally occurring polymers

A

DNA, proteins, starch, cellulose

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15
Q

What monomers are starch and cellulose made of?

A

Glucose

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16
Q

Why are condensation polymers named as they are?

A

They eliminate water when they form.

17
Q

How may water molecules are formed for every pair of different monomers that react to form a condensation polymer

A

2

18
Q

What is a weak acid? Give an example.

A

An acid which only partially ionises in water. All carboxylic acids are weak,

19
Q

What type of link joins the two different monomers in polyesters?

A

Ester

20
Q

What type of link joins the two different monomers in polyamides?

A

Amide

21
Q

What type of monomer are proteins made from?

A

Amino acids

22
Q

What type of monomer is DNA made from>

A

Nucloetides

23
Q

What is the repeating unit made from base-sugar-phosphate in DNA called?

A

Nucleotide

Chemistry Paper 2 Separate (12 decks)

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