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Alcohols and carboxylic acids

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Question 9

Table 1

NameStructural formulaFormula massDensity in g/cm3\text{g/cm}^3g/cm3Boiling point in ∘C^\circ\text{C}∘CReacts with sodium hydrogencarbonate?Reacts with ethanol to form an ester?
Methanoic acidHCOOH\text{HCOOH}HCOOH461.22101yesyes
Ethanoic acidCH3COOH\text{CH}_3\text{COOH}CH3​COOH601.05118yesyes
Propanoic acidCH3CH2COOH\text{CH}_3\text{CH}_2\text{COOH}CH3​CH2​COOH740.99141yesyes
Butanoic acidCH3CH2CH2COOH\text{CH}_3\text{CH}_2\text{CH}_2\text{COOH}CH3​CH2​CH2​COOH880.96164yesyes
Pentanoic acidCH3CH2CH2CH2COOH\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{COOH}CH3​CH2​CH2​CH2​COOH1020.94186yesyes

Explain, using the data in Table 1, why these compounds belong together in the same homologous series.

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Alcohols and carboxylic acids Questions

  1. GCSE
  2. /Chemistry
  3. /Alcohols and carboxylic acids

Practise Edexcel GCSE Chemistry Alcohols and carboxylic acids with exam-style questions for Foundation and Higher tier. 55 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank