Organic molecules can be classified into different homologous series that are identified by their functional groups - NSC Technical Sciences - Question 2 - 2020 - Paper 2
Question 2
Organic molecules can be classified into different homologous series that are identified by their functional groups.
2.1 Define the term functional group.
2.2 Cons... show full transcript
Worked Solution & Example Answer:Organic molecules can be classified into different homologous series that are identified by their functional groups - NSC Technical Sciences - Question 2 - 2020 - Paper 2
Step 1
Define the term functional group.
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Answer
A functional group is an atom or a group of atoms (bond) that determines the chemistry of a molecule. It also determines the physical and chemical properties of a group of organic compounds.
Step 2
Write down the NAME of the homologous series of compounds represented by:
2.2.1 A
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Answer
Alkenes
Step 3
Write down the NAME of the homologous series of compounds represented by:
2.2.2 B
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Answer
Carboxylic acids
Step 4
Write down the NAME of the homologous series of compounds represented by:
2.2.3 C
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Answer
Alcohols
Step 5
Write down the IUPAC name of the organic compounds represented by:
2.3.1 B
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Answer
Butanoic acid
Step 6
Write down the IUPAC name of the organic compounds represented by:
2.3.2 C
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Answer
Butan-2-ol
Step 7
Draw the structural formula of the organic compounds represented by:
2.4.1 A
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Answer
The structural formula of But-2-ene is:
H H
| |
H-C===C-H
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H H
Step 8
Draw the structural formula of the organic compounds represented by:
2.4.2 D
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Answer
The structural formula of Pentan-2-one is:
O
||
H-C-C-C-H
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H H
Step 9
Draw the structural formula of the ISOMER of the organic compounds represented by:
2.5.1 C
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Answer
The structural formula of an isomer of Butan-2-ol is:
H H H
| | |
H-C-C-C-H
| |
H OH
Step 10
Draw the structural formula of the ISOMER of the organic compounds represented by:
2.5.2 D
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Answer
The structural formula of an isomer of Pentan-2-one is:
