ConceptConceptDocsDocuments

Pearson Edexcel IAL Chemistry 4.13 Combustion pollutants

Practise identifying pollutants from alkane fuel combustion and writing equations for complete or incomplete combustion products.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • distinguish CO, soot and unburnt hydrocarbons as products of incomplete combustion
  • explain formation of CO and NO in car engines using oxygen supply and high-temperature conditions
  • write balanced incomplete combustion equations with CO2, CO, C and water as products

4.13—Pollutants question 1

[Maximum number: 1]

This question is about fuels and polymers. Used coffee grounds have been suggested as a carbon-neutral fuel to replace some fossil fuels.

Long chain alkanes are not normally used as fuels as they produce soot.

Name another pollutant formed by incomplete combustion of alkanes.

All question bank results loaded