Chemistry · Oct / Nov 2018 · Paper 12 · Question 38
5070Carboxylic acids
An ester is formed from a carboxylic acid and an alcohol. How does the number of carbon, hydrogen and oxygen atoms in an ester differ from the total number of these atoms in the carboxylic acid and alcohol from which the ester is formed?
- Acarbon atoms: fewer, hydrogen atoms: fewer, oxygen atoms: fewer
- Bcarbon atoms: fewer, hydrogen atoms: same, oxygen atoms: fewer
- Ccarbon atoms: same, hydrogen atoms: fewer, oxygen atoms: fewer
- Dcarbon atoms: same, hydrogen atoms: same, oxygen atoms: same
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Correct answer: C. carbon atoms: same, hydrogen atoms: fewer, oxygen atoms: fewer
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