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Homologous series

QuestionAnswer
A sbustance that contains hydrogen and carbon is called a hydrocarbon
Define a homologous series Same general formula, similar chemical properties
General formula of alkanes Cn H2n+2
General formula of alkenes Cn H2n
General formula of cyclo alkanes Cn H2n
Name the homologous series that are isomers alkenes and cycloalkanes
Define an isomer Same molecular formula, different structural formula
Name the only unsaturated homologous series alkenes
What is meant by an unsaturated molecule It contains at least one carbon to carbon double bond
What is the molecular formula for hexene C6H12
What is the molecular formula for butane C4H10
What is meant by a saturated molecule Only contains single bonds
State the test for unsaturated molecules They decolourise bromine water
Will propane or heptane have a higher boiling point heptane
Explain why larger molecules have higher melting and boiling points Stronger intermolecular forces between the molecules
State an everyday use of alkanes fuels
State an everyday use of alkenes making alcohols and plastics
State an everyday use of cycolalkanes fuels and solvents
Created by: brightminds
 

 



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