The newest 3 of 3 written questions, plus 2 multiple-choice. Open one to see it on the real paper.
Write an equation for the reaction of CH,COOH with SOCL in step 1.
See it on the paper →State an alternative reagent that reacts with CH,COOH to produce CH,COCLin step 1.
See it on the paper →The relative rate of hydrolysis of chloroethane, ethanoyl chloride and chlorobenzene is investigated. chloroethane ethanoyl chloride chlorobenzene 1) Cl “Sel J Cl Figure 4.3 State the relative rate of hydrolysis of these three compounds. Explain your answer. voce slowest fastest Turn over
See it on the paper →Comprehensive responses • Most candidates gave the correct relative rate of hydrolysis for these compounds. Many gave an explanation related to the different C–Cl bond strengths. The explanation for chlorobenzene was more well-known. Limited responses • Some candidates omitted some detail in their explanations, for example they did not relate the structure to the C–Cl bond strength.
— Examiner report, February/March 2026, 9701/42 Q4(c) (Cambridge)
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