1. Alkenes
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2. Question 1
The pi (π) orbital above and below the single bond in a carbon-carbon double bond means that A
the bond cannot react B
the bond cannot be broken C
the bond cannot rotate D
be detected

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4. Carbon-carbon double bonds are attacked by
Question 2
Carbon-carbon double bonds are attacked by A
free radicals B
nucleophiles C
electrophiles D
carbocations

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6. Alkenes can have geometric isomers which have the same
Question 3
Alkenes can have geometric isomers which have the same A
structural formula but different arrangement in space B
structural formula but different molecular formula C
arrangement in space but different
structural formula D
arrangement in space but different properties

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8. Question 4 A B C D These structures show E/Z isomerism
positional isomerism C
free radical isomerism D
functional group isomerism

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10. Question 5
This is a A
carboplus B
carboanion C
carboxyl D
carbocation

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12. Which carbocation is the most stable?
Question 6
Which carbocation is the most stable? A
quaternary B
tertiary C
primary D
primary

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14. Alkenes react with halogens to form
Question 7
Alkenes react with halogens to form A
monohaloalkanes B
haloalkenes C
dihaloalkanes D
cycloalkanes

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16. The reaction of alkenes and halides is
Question 8
The reaction of alkenes and halides is A B
electrophilic substitution
electrophilic isomerism C
electrophilic addition D
electrophilic elimination

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18. Which is a test for a carbon-carbon double bond
Question 9
Which is a test for a carbon-carbon double bond A
turns limewater milky B
decolourises bromine water C
forms a precipitate with silver nitrate D
turns litmus paper white

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20. Polymers made from alkenes cannot be easily broken down because of the
Question 10
Polymers made from alkenes cannot be easily broken down because of the A
different isomers making up the plastics B
reactivity of the bonds C
strong C=C double bonds D
strong C-C single bonds

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22. Congratulations!