Compound Y is an ester, often used as a synthetic food flavouring.
Which of the following represents the functional group of an ester?
−OH-\text{OH}−OH
−COOH-\text{COOH}−COOH
−COO−-\text{COO}-−COO−
−CO−-\text{CO}-−CO−
Practise Edexcel GCSE Chemistry Alcohols and carboxylic acids with exam-style questions for Foundation and Higher tier. 55 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
