Coding for branched chains
1 mark · EasyWhat is the position of the ethyl side chain in the compound named 3-ethylhexane?
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Position 3
Also accept: 3; at carbon 3; on carbon 3
Common mistakes: 6; hexane
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Marking points
A1 · 1 mark · Identifies position as 3 (or equivalent).
Worked solution
The position of the ethyl side chain is given by the number in the name, which is 3. It is attached to carbon 3.