Edexcel IGCSE Chemistry Organic chemistry topic questions

Organic chemistry covers hydrocarbons, crude oil, alkanes, alkenes, alcohols, carboxylic acids, esters and synthetic polymers.

Edexcel IGCSE Chemistry Topic 4

Topic Overview

Organic chemistry covers hydrocarbons, crude oil, alkanes, alkenes, alcohols, carboxylic acids, esters and synthetic polymers.

Check the functional group first, keep carbon chains consistent, and show all atoms or bonds required by the question format.

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Question Types In This Topic

  1. Formula, naming and structure questions using displayed, structural and general formulae.
  2. Reaction questions on combustion, cracking, addition reactions, oxidation, ester formation and polymerisation.
  3. Crude oil questions about fractional distillation, fractions, fuels and environmental impacts.
  4. Diagram and sequence questions asking you to identify products, repeat units, functional groups or reaction conditions.

Subtopics In Organic chemistry

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4.a Introduction know that a hydrocarbon is a compound of hydrogen and carbon only understand how to represent organic molecules using empirical formulae, molecular formulae, general... 4.b Crude oil know that crude oil is a mixture of hydrocarbons describe how the industrial process of fractional distillation separates crude oil into fractions know the names and... 4.c Alkanes know the general formula for alkanes explain why alkanes are classified as saturated hydrocarbons understand how to draw the structural and displayed formulae for... 4.d Alkenes know that alkenes contain the functional group >C=C< know the general formula for alkenes explain why alkenes are classified as unsaturated hydrocarbons understand how... 4.e Alcohols know that alcohols contain the functional group −OH understand how to draw structural and displayed formulae for methanol, ethanol, propanol (propan-1-ol only) and... 4.f Carboxylic acids know that carboxylic acids contain the functional group ``` O || —C—OH ``` understand how to draw structural and displayed formulae for unbranched-chain carboxylic acids... 4.g Esters know that esters contain the functional group ``` O || —C—O— ``` know that ethyl ethanoate is the ester produced when ethanol and ethanoic acid react in the presence of... 4.h Synthetic polymers know that an addition polymer is formed by joining up many small molecules called monomers understand how to draw the repeat unit of an addition polymer, including...

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