AQA A Level Chemistry: Year 1- Alkenes questions and answers latest top score.

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AQA A Level Chemistry: Year 1- Alkenes
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questions and answers latest top score.
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What ais aan aalkene? a- a a a a a aANS.An aunsaturated ahydrocarbon a
a

What ais aan aunsaturated ahydrocarbon? a- a a a a a aANS.A acompound acontaining aonly
acarbon a
a
and ahydrogen aatoms aand acontaining aat aleast aone acarbon acarbon adouble
abond
a

What aare avan ader aWaals aforces? a- a a a a a aANS.Relatively aweak aintermolecular aforces
acaused a
a
by atemporary adipole adipole

ainteraction
a

What ais athe ageneral aformula afor aan aalkene? a- a a a a a aANS.CnH2n a
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How awould ayou aname aan aalkene agiven aits adisplayed aformula? a- a a a a a

aANS.Identify athe a
a a
longest acarbon

achain
a a
Identify athe aposition aof athe acarbon acarbon adouble
abond
a
Identify aany aside

achains
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What aare astructural aisomers? a- a a a a a a ANS.Molecules awith athe asame amolecular
aformula, abut a
a
with adifferent aa astructural
aformula
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What aare astereoisomers? a- a a a a a aANS.Molecules awith athe asame amolecular aAND
astructural a
a
formula abut aa adifferent a3D aarrangement aof atheir aatoms ain
aspace
a

, What ais aE-Z aisomerism? a- a a a a a aANS.The ahighest apriority agroups aare aon athe asame
aside aof a
a
the adouble

abond
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Describe athe aC=C adouble abond a- a a a a a aANS.Double acovalent abond a
a
Planar
abond


Area aof ahigh aelectron
adensity
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How ado ayou aassign athe ahighest apriority aof agroups ain aE-Z aisomerism? a- a a a a a
aANS.The ahighest aatomic anumber aclosest ato athe adouble abond ahas athe ahighest

apriority a a

If atwo agroups ahave ae.g. aOnly acarbon aand ahydrogen, athen athe aone awith athe amost
acarbon aatoms ais aassigned athe ahighest apriority a
a

What aare aZ aisomers? a- a a a a a aANS.Molecules awhere athe ahighest apriority agroups aare
aon athe a
a
same
aside
a

What aare aE aisomers? a- a a a a a aANS.Molecules awhere athe ahighest apriority agroups
aare aon a
a
opposite
asides
a

What ais aaddition apolymerisation? a- a a a a a aANS.The areaction aby awhich aalkenes a(or
asubstituted aalkenes) areact awith aother aalkene a(or asubstituted aalkene) amolecules ato

aform apolymers a
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What apolymer awould athe amonomer aethene aform? a- a a a a a aANS.Poly(ethene) a
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What ais aa apolymer? a- a a a a a aANS.A along achain aof arepeating amonomer aunits ajoined
atogether a
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Why aare aaddition apolymers aunreactive? a- a a a a a aANS.They alack athe areactive acarbon-
carbon adouble abond a
Which ais aan aarea aof ahigh aelectron adensity a
And aso avulnerable ato aelectrophilic aattack a
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What ais aPVC? a- a a a a a aANS.Poly(chloroethene) a
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What ais aPVC aused afor? a- a a a a a aANS.PVC: aWellies,
araincoats, a
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uPVC: aDrainpipes, awindow/door

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