Carbon forms many organic compounds which fall into various homologous series.

1. aExplain why carbon is able to form many organic compounds. [1]
2. bDescribe the structural formulae of ethyl ethanoate and butanoic acid showing all bonds (draw them on paper). [2]
3. cExplain why ethyl ethanoate and butanoic acid are said to be structural isomers. [2]
4. dDescribe a chemical test to distinguish between ethyl ethanoate and butanoic acid. [5]

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