Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Section
Drawing and naming the carboxylic acids
19 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →A student writes the name 'proponoic acid' for a carboxylic acid with three carbon atoms in a straight chain.
State the correct IUPAC name for this acid. Give one reason for your answer.
Question 2
5 marks · Hard
Answer and see the solution →Vinegar is commonly used in food and cleaning products.
(a)[1 mark]Name the main carboxylic acid found in vinegar.
(b)[1 mark]State its molecular formula.
(c)[1 mark]Draw the displayed formula for this acid.
(d)[1 mark]Suggest one property of this carboxylic acid that makes it useful in cleaning products.
(e)[1 mark]Explain why this acid is classified as a carboxylic acid, referring to its structure.
Question 3
2 marks · Hard
Answer and see the solution →Draw the structural formula for butanoic acid and state the total number of hydrogen atoms in one molecule.