Pearson Edexcel International GCSE Chemistry (4CH1) · EDEXCEL 4CH1
4 Organic chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Organic chemistry
- Propanoic acid is a member of the carboxylic acids homologous series. A student adds a sma… (4 marks, Describe)
- But-1-ene and but-2-ene are both members of the alkene homologous series and have the same… (4 marks, State and Explain)
- Addition polymerisation is used to make poly(ethene) from ethene monomers. Describe the pr… (4 marks, Describe and Explain)
- Butyl ethanoate is an ester used as a flavouring in some sweets because of its fruity smel… (4 marks, State)
- Esters are formed in a condensation reaction between a carboxylic acid and an alcohol. Des… (4 marks, Describe)
- Ethanol can be converted into ethanoic acid by microbial oxidation. Ethanoic acid belongs … (4 marks, Explain)
- Ethanoic acid is a carboxylic acid. Describe the typical acidic properties of ethanoic aci… (4 marks, Describe)
- Butanol can be produced by two different methods: fermentation of sugars and the reaction … (4 marks, Compare)
- Methanol and butanol are both members of the alcohols homologous series. Describe TWO chem… (4 marks, Describe)
- Ethanol is a member of the alcohols homologous series and has many uses as a fuel and solv… (4 marks, State and Describe)
- Ethene and ethane are both hydrocarbons that can be produced from crude oil. Explain why e… (4 marks, Explain)
- Propene is a member of the alkene homologous series. Describe the chemical test that would… (4 marks, Describe)
- Ethene undergoes an addition reaction with bromine water. Describe what is observed when e… (4 marks, Describe and Explain)
- Describe what happens during the incomplete combustion of an alkane, and explain why the p… (4 marks, Describe)
- Crude oil contains hydrocarbons with different chain lengths. As the length of the hydroca… (4 marks, Describe)
- Alkanes and alkenes both belong to homologous series. Describe four features of a homologo… (4 marks, Describe)
- Crude oil is a finite resource that is separated into fractions by fractional distillation… (4 marks, Explain)
- Crude oil contains hydrocarbons with sulfur impurities. Explain why the incomplete combust… (4 marks, Explain)
- Propene and butene are both members of the alkene homologous series. Explain why propene i… (4 marks, Explain)
- Methane, ethane and propane are the first three members of the alkane homologous series. S… (4 marks, State and Explain)
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