9701/4 CHEMISTRY JUNE 02 - StudyGuide.PK
9701/4 CHEMISTRY JUNE 02 - StudyGuide.PK
9701/4 CHEMISTRY JUNE 02 - StudyGuide.PK
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7 Phenylamine is an important intermediate compound for the production of dyes.10www.studyguide.pkForExaminer'sUsephenylamineNH 2(a)Phenylamine can be synthesised from benzene in two steps. Draw the structural formulaof the intermediate Y in the scheme below, and suggest reagents and conditions forsteps I and II.III—NH 2Yreagent + conditions for step I .........................................................................................reagent + conditions for step II ........................................................................................[4](b)Phenylamine is a weak base.(i) Write an equation showing phenylamine acting as a base.(ii) How would you expect its basicity to compare with that of ammonia?..................................................................................................................................(iii) Explain the reasoning for your answer in (ii).....................................................................................................................................................................................................................................................................[3]<strong>9701</strong>/4/S<strong>02</strong>
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