Chemistry WCH01: Organic Chemistry: Arenes Topical Past Paper Questions
Edexcel A Level Chemistry (WCH01) past-paper questions on Organic Chemistry: Arenes, free. This topic is regularly examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The structure shown was suggested for benzene by a chemist called Kekulé. Benzene is now thought to have a delocalised structure. $ ^{*} $(a) Evidence for the delocalised structure of benzene includes • only one structure for 1,2-dichlorobenzene • analysis of X-ray diffraction im…
Salicylic acid (2-hydroxybenzoic acid) is a starting material in the manufacture of aspirin; it is synthesised from phenol in the Kolbe-Schmitt process outlined. (a) Step 2 of the Kolbe-Schmitt process involves an electrophilic substitution. (i) Using your knowledge of electrophi…
Benzene is nitrated using a mixture of concentrated nitric and sulfuric acid In this reaction, the concentrated sulfuric acid acts as A an acid and catalyst. B an acid and nucleophile. C a base and catalyst. D a base and electrophile.
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