The table shows the name and structure of four different organic molecules - Edexcel - GCSE Chemistry - Question 4 - 2015 - Paper 1
Question 4
The table shows the name and structure of four different organic molecules.
name structure
ethanol H H
H - C - C - O - H
H H
ethe... show full transcript
Worked Solution & Example Answer:The table shows the name and structure of four different organic molecules - Edexcel - GCSE Chemistry - Question 4 - 2015 - Paper 1
Step 1
(i) Give the name of the molecule that is not a hydrocarbon.
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Answer
The molecule that is not a hydrocarbon is ethanol. This is an alcohol that contains an oxygen atom in its structure, distinguishing it from hydrocarbons which solely consist of hydrogen and carbon.
Step 2
(ii) Give the name of the molecule that is unsaturated.
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The unsaturated molecule is ethene. It contains a double bond between the two carbon atoms in its structure, which is characteristic of unsaturated hydrocarbons.
Step 3
(iii) Give the name of the molecule that is used as a monomer in a polymerisation reaction.
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Answer
The molecule used as a monomer in a polymerisation reaction is ethene. Ethene molecules can link together to form polymers like polyethylene.