OxfordkCambridgekandkRSA
A Level Chemistry A
k k k
H432/02 Synthesis and analytical techniques
k k k k
Tuesday 12 June 2018 – Afternoon
k k k k k
Time allowed: 2 hours 15 minutes
k k k k k
k
*7011394988*
Youkmustkhave:
• thekDatakSheetkforkChemistrykA
k(sentkwithkgeneralkstationery)
Youkmaykuse:
• akscientifickorkgraphicalkcalculator
* H 4 3 2 0 2 *
Firstkname
Lastkname
Centre Candidate
numbe
k knumbe
r r
INSTRUCTIONS
• Usekblackkink.kYoukmaykusekankHBkpencilkforkgraphskandkdiagrams.
• Completekthekboxeskabovekwithkyourkname,kcentreknumberkandkcandidateknumber.
• Answerkallkthekquestions.
• Writekyourkanswerktokeachkquestionkinkthekspacekprovided.kIfkadditionalkspacekiskrequired
,kusektheklinedkpage(s)katkthekendkofkthiskbooklet.kThekquestionknumber(s)kmustkbekclearly
kshown.
• Doknotkwritekinkthekbarcodes.
INFORMATION
• Thektotalkmarkkforkthiskpaperkisk100.
• Thekmarkskforkeachkquestionkarekshownkinkbracketsk[k ].
• Qualitykofkextendedkresponseskwillkbekassessedkinkquestionskmarkedkwithkanka
steriskk(*).
• Thiskdocumentkconsistskofk32kpages.
©kOCRk2018k [601/5255/2] OCRkiskankexemptkCharity
kDCk(ST/CT)k154180/4 Turnkover
, 2
SECTIONkA
Youkshouldkspendkakmaximumkofk20kminuteskonkthisksection.
Writekyourkanswerktokeachkquestionkinkthekboxkprovided.
Answerkallkthekquestions.
1 WhichkcompoundkiskusedkaskakstandardkforkNMRkchemicalkshiftkmeasurements?
A Si(CH3)4
B CDCl3
C D2O
D CCl4
Yourkanswer
[1]
2 Whichkcompoundkiskaksecondarykamide?
O CH3
A HO C CH2 N
HkCH
O 3
B HO C CH2 N
CH3
O CH3
C H3C C N
H
O CH3
D H3C C N
CH3
Yourkanswer
[1]
©kOCRk2018
, 3
3 Whichkcompoundkdoesknotkreactkwithknucleophiles?
A CH3CH2CHO
B CH3CHCH2
C CH3CH2COCH3
D CH3CH2CH2Cl
Yourkanswer
[1]
4 Whichkstructurekrepresentskankalicyclickcompound?
A
B
C
D
Yourkanswer
[1]
©kOCRk2018 Turnkover
, 4
5 Whichkmoleculekisknotkplanar?
A C2H4
B C2H6
C H2CO
D HCN
Yourkanswer
[1]
6 Whatkisktheknumberkofkpeakskinkthek1HkNMRkspectrumkofkHOOCCH2CHOHCH2COOH?
A 3
B 4
C 5
D 6
Yourkanswer
[1]
7 Ethanolkcankbekpreparedkbykdifferentkreactions.
Whichkreactionkhasktheklowestkatomkeconomy?
A C6H12O6k →k2C2H5OHk+k2CO2
B C2H4k +kH2Ok→kC2H5OH
C C2H5Brk+kH2Ok→kC2H5OHk+kHBr
D CH3COOC2H5k +kH2Ok→kC2H5OHk+kCH3COOH
Yourkanswer
[1]
©kOCRk2018
A Level Chemistry A
k k k
H432/02 Synthesis and analytical techniques
k k k k
Tuesday 12 June 2018 – Afternoon
k k k k k
Time allowed: 2 hours 15 minutes
k k k k k
k
*7011394988*
Youkmustkhave:
• thekDatakSheetkforkChemistrykA
k(sentkwithkgeneralkstationery)
Youkmaykuse:
• akscientifickorkgraphicalkcalculator
* H 4 3 2 0 2 *
Firstkname
Lastkname
Centre Candidate
numbe
k knumbe
r r
INSTRUCTIONS
• Usekblackkink.kYoukmaykusekankHBkpencilkforkgraphskandkdiagrams.
• Completekthekboxeskabovekwithkyourkname,kcentreknumberkandkcandidateknumber.
• Answerkallkthekquestions.
• Writekyourkanswerktokeachkquestionkinkthekspacekprovided.kIfkadditionalkspacekiskrequired
,kusektheklinedkpage(s)katkthekendkofkthiskbooklet.kThekquestionknumber(s)kmustkbekclearly
kshown.
• Doknotkwritekinkthekbarcodes.
INFORMATION
• Thektotalkmarkkforkthiskpaperkisk100.
• Thekmarkskforkeachkquestionkarekshownkinkbracketsk[k ].
• Qualitykofkextendedkresponseskwillkbekassessedkinkquestionskmarkedkwithkanka
steriskk(*).
• Thiskdocumentkconsistskofk32kpages.
©kOCRk2018k [601/5255/2] OCRkiskankexemptkCharity
kDCk(ST/CT)k154180/4 Turnkover
, 2
SECTIONkA
Youkshouldkspendkakmaximumkofk20kminuteskonkthisksection.
Writekyourkanswerktokeachkquestionkinkthekboxkprovided.
Answerkallkthekquestions.
1 WhichkcompoundkiskusedkaskakstandardkforkNMRkchemicalkshiftkmeasurements?
A Si(CH3)4
B CDCl3
C D2O
D CCl4
Yourkanswer
[1]
2 Whichkcompoundkiskaksecondarykamide?
O CH3
A HO C CH2 N
HkCH
O 3
B HO C CH2 N
CH3
O CH3
C H3C C N
H
O CH3
D H3C C N
CH3
Yourkanswer
[1]
©kOCRk2018
, 3
3 Whichkcompoundkdoesknotkreactkwithknucleophiles?
A CH3CH2CHO
B CH3CHCH2
C CH3CH2COCH3
D CH3CH2CH2Cl
Yourkanswer
[1]
4 Whichkstructurekrepresentskankalicyclickcompound?
A
B
C
D
Yourkanswer
[1]
©kOCRk2018 Turnkover
, 4
5 Whichkmoleculekisknotkplanar?
A C2H4
B C2H6
C H2CO
D HCN
Yourkanswer
[1]
6 Whatkisktheknumberkofkpeakskinkthek1HkNMRkspectrumkofkHOOCCH2CHOHCH2COOH?
A 3
B 4
C 5
D 6
Yourkanswer
[1]
7 Ethanolkcankbekpreparedkbykdifferentkreactions.
Whichkreactionkhasktheklowestkatomkeconomy?
A C6H12O6k →k2C2H5OHk+k2CO2
B C2H4k +kH2Ok→kC2H5OH
C C2H5Brk+kH2Ok→kC2H5OHk+kHBr
D CH3COOC2H5k +kH2Ok→kC2H5OHk+kCH3COOH
Yourkanswer
[1]
©kOCRk2018
