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7 Organic chemistry

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Question 66

An alcohol is oxidised to produce substance P.

The table gives information about aqueous solutions of substance P and hydrochloric acid.

SolutionSoluteConcentration in mol/dm3\text{mol/dm}^3mol/dm3pH
PCH3CH2CH2COOH\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}CH3​CH2​CH2​COOH0.102.9
QHydrochloric acid0.101.0
a.

Give the name of substance P and the name of the alcohol that was oxidised.

[2]
b.

Explain why solution P has a pH below 7 but a higher pH than solution Q.

[4]
Markscheme

7 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /7 Organic chemistry

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