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OCR A Level Chemistry paper 2

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Study Level: A/AS Level
Examinator: OCR
Subject: Chemistry A
Unit: OCR A Level Chemistry paper 2 (H432)

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Uploaded on: February 12, 2025
Number of pages: 35
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Only questions

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ocr a level chemistry paper 2

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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

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OCR A Level Chemistry paper 2

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