Welcome to the Quiz!

This quiz contains 11 questions from a mix of 1 subtopics.

Is an alkene a saturated or unsaturated hydrocarbon?

Saturated

Unsaturated

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Which elements do alkenes contain?

(Select all that apply)

Oxygen

Nitrogen

Hydrogen

Carbon

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What is the key difference between alkanes and alkenes?

Alkenes are not a homologous series

Alkenes have oxygen atoms whereas alkanes do not

Alkenes have a carbon to carbon double bond whereas alkanes do not

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What type of reaction can an alkene be part of, because of the carbon to carbon double bond?

Addition reactions

Neutralisation reactions

Condensation reactions

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Which compound is produced in the following reaction? 


C3H6 + H2 ➔ ?

Pentane C5H12

Hexane C6H14

Propane C3H8

Butane C4H10

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Which compound is produced in the following reaction? 


C2H4 + H2O ➔ ?

Ethanol C2H5OH

Butanol C4H9OH

Propanol C3H7OH

Hexanol C6H13OH

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An addition reaction between an alkene and water will produce an alcohol.


Once produced, the alcohol will dissolve in the water.


What process can be used to separate the alcohol from the water?

Crystallisation

Fractional distillation

Grinding

Filtering

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Which compound is produced in the following reaction? 


C2H4 + Br2 ➔ ?

Dibromoethane C2H4Br2

Dibromopropane C3H6Br2

Dibromomethane CH2Br2

Dibromobutane C4H8Br2

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Reacting an alkene with a halogen will produce a halogenoalkane.


C4H8 + Br2 ➔ ?


Butene (C4H8) can react with Bromine (Br2) to produce a halogenoalkane.


What halogenoalkane is produced in the reaction?

Dibromohexane C6H12Br2

Dibromopropane C3H6Br2

Dibromopentane C5H10Br2

Dibromobutane C4H8Br2

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An unidentified liquid could be either an alkene or an alkane. To test which one it is, the liquid is reacted with bromine water.


The bromine water turns from orange to colourless.


What type of hydrocarbon is the liquid?

An alkane

An alkene

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An unidentified liquid could be either an alkene or an alkane. To test which one it is, the liquid is reacted with bromine water.


The bromine water stays orange.


What type of hydrocarbon is the liquid?

An alkene

An alkane

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