Coding for the type of compound
1 mark · EasyState the meaning of the code letters 'eth' in the name of an organic compound.
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It shows the compound contains two carbon atoms in its chain.
Also accept: Indicates two carbon atoms; Represents a two-carbon chain
Common mistakes: Saying 'it contains ethene' or referring to the wrong number of carbons
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Marking points
B1 · 1 mark · Correctly states that 'eth' means two carbon atoms in the chain.
Worked solution
'Eth' in an organic compound’s name means there are two carbon atoms in its chain.