What is the formula of the functional group in alcohols?
−COOH-\text{COOH}−COOH
−OH-\text{OH}−OH
−CHO-\text{CHO}−CHO
−C=C−-\text{C=C}-−C=C−
83 exam-style questions on OCR GCSE Chemistry Organic chemistry. Each one has a worked solution and a mark scheme showing where the marks go.