11 mark
The diagram below shows some simple hydrocarbons and the products of two reactions.
Which of these structures are named correctly?
| Structure 1 | Structure 2 | Structure 3 | |
| A | x | ✔ | ✔ |
| B | ✔ | ✔ | ✔ |
| C | x | ✔ | x |
| D | ✔ | x | ✔ |
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Naming Organic Compounds (Cambridge O Level Chemistry)
Topic Questions
21 mark
The diagram below shows a reaction scheme. What are the names of all of the compounds?
| P | Q | R | S | |
| A | ethene | ethane | ethanoic acid | ethanol |
| B | ethane | ethene | ethanol | ethanoic acid |
| C | ethene | ethane | ethanol | ethanoic acid |
| D | ethane | ethene | ethanoic acid | ethanol |
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11 mark
Which one of the following structures is correctly named?
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21 mark
Organic compounds can have names that have the suffixes of -ane, -ene, -ol or -oic acid.
How many of these have at least one double bond in their structure
1
2
3
4
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31 mark
The diagram below represents the molecule of a compound.
What is the name of this compound?
Ethane
Ethanol
Ethanoic acid
Ethene
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41 mark
An ester has the formula C2H5COOC2H5.
Which pair of compounds would react together to form this ester?
ethanoic acid and ethanol
ethanol and propanoic acid
propanoic acid and propanol
propanol and ethanoic acid
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51 mark
The diagrams show the structures of five hydrocarbons.
Which three hydrocarbons are isomers of each other?
1, 2 and 4
2, 3 and 5
2, 3 and 4
3, 4 and 5
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61 mark
A carboxylic acid with molecular formula C4H8O2 reacts with an alcohol with molecular formula C3H8O to form an ester.
What is the formula of the ester formed?
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