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)

Carbon

Hydrogen

Oxygen

Nitrogen

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What is the key difference between alkanes and alkenes?

Alkenes have oxygen atoms whereas alkanes do not

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

Alkenes are not a homologous series

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

Condensation reactions

Addition reactions

Neutralisation reactions

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Which compound is produced in the following reaction? 


C3H6 + H2 ➔ ?

Propane C3H8

Butane C4H10

Hexane C6H14

Pentane C5H12

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Which compound is produced in the following reaction? 


C2H4 + H2O ➔ ?

Butanol C4H9OH

Hexanol C6H13OH

Propanol C3H7OH

Ethanol C2H5OH

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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?

Grinding

Filtering

Crystallisation

Fractional distillation

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Which compound is produced in the following reaction? 


C2H4 + Br2 ➔ ?

Dibromobutane C4H8Br2

Dibromoethane C2H4Br2

Dibromomethane CH2Br2

Dibromopropane C3H6Br2

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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?

Dibromobutane C4H8Br2

Dibromopropane C3H6Br2

Dibromohexane C6H12Br2

Dibromopentane C5H10Br2

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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 alkene

An alkane

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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 alkane

An alkene

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