lOMoARcPSD|70337540
OCR-A-Level-Chemistry-A-Paper-2-November-2021
medical
terminology
, lOMoARcPSD|70337540
Oxford Cambridge and RSA
Tuesday 12 October 2021 – Morning
A Level Chemistry A
H432/02 Synthesis and analytical techniques
Time allowed: 2 hours 15 minutes
You must have:
*
• the Data Sheet for Chemistry A
8
You can use:
9
• a scientific or graphical calculator
• an HB pencil
6
1
8
3
* H 4 3 2 0 2 *
8
1
Please write clearly in black ink. Do not write in the barcodes.
1
6
Centre number Candidate number
*
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 32 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
, lOMoARcPSD|70337540
2
SECTION A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
Answer all the questions.
1 2-Methylbutane is reacted with chlorine by radical substitution.
5H11Cl that could be
What is the number of structural isomers with the molecular formula C
formed?
A 2
B 3
C 4
D 5
Your answer
[1]
2 Which type(s) of stereoisomerism is/are shown by 2,4-dimethylhex-2-ene?
A E / Z isomerism only.
B Optical isomerism only.
C Both E / Z isomerism and optical isomerism.
D Neither E / Z isomerism nor optical isomerism.
Your answer
[1]
3 Which sample contains the greatest number of carbon atoms?
A 20.0 g C6H5OH
B 30.0 g C2H5COOH
C 40.0 g CH3CHO
D 50.0 g CH3OH
Your answer
[1]
OCR-A-Level-Chemistry-A-Paper-2-November-2021
medical
terminology
, lOMoARcPSD|70337540
Oxford Cambridge and RSA
Tuesday 12 October 2021 – Morning
A Level Chemistry A
H432/02 Synthesis and analytical techniques
Time allowed: 2 hours 15 minutes
You must have:
*
• the Data Sheet for Chemistry A
8
You can use:
9
• a scientific or graphical calculator
• an HB pencil
6
1
8
3
* H 4 3 2 0 2 *
8
1
Please write clearly in black ink. Do not write in the barcodes.
1
6
Centre number Candidate number
*
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 32 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
, lOMoARcPSD|70337540
2
SECTION A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
Answer all the questions.
1 2-Methylbutane is reacted with chlorine by radical substitution.
5H11Cl that could be
What is the number of structural isomers with the molecular formula C
formed?
A 2
B 3
C 4
D 5
Your answer
[1]
2 Which type(s) of stereoisomerism is/are shown by 2,4-dimethylhex-2-ene?
A E / Z isomerism only.
B Optical isomerism only.
C Both E / Z isomerism and optical isomerism.
D Neither E / Z isomerism nor optical isomerism.
Your answer
[1]
3 Which sample contains the greatest number of carbon atoms?
A 20.0 g C6H5OH
B 30.0 g C2H5COOH
C 40.0 g CH3CHO
D 50.0 g CH3OH
Your answer
[1]
