A-LevelChemistryHydroxy compounds9701/42 · Oct/Nov 2021 · Q105 Marks
Complete the table to show the structure of the organic product from each reaction of phenol, C₆H₅OH. [Figure not explicitly referenced, but implied by reaction table]
- (a)Complete the table to show the structure of the organic product from each reaction of phenol, C₆H₅OH. reaction reaction mixture structure of organic product 1 phenol + NaOH(aq) 2 phenol + Na(s) 3 phenol + [Figure N=N with benzene rings] + NaOH, at 4°C 4 an excess of phenol + [Figure benzene ring with meta-COCl and -COCl] [4]
- (b)Identify two reactions from the table in which ethanol would behave in a similar way to phenol.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2021). The mark or mark type is shown in brackets.
- [1] C₆H₅O⁻/C₆H₅O⁻Na⁺ / C₆H₅ONa
- [1] C₆H₅O⁻/C₆H₅O⁻Na⁺ / C₆H₅ONa
- [1] C₆H₅N₂C₆H₄O⁻ or C₆H₅N₂C₆H₄OH or [diagram of azo dye]
- [1] C₆H₅OCOC₆H₄CO₂C₆H₅
- [1] 2 and 4
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