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Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
AS
CHEMISTRY
Paper 2 Organic and Physical Chemistry
Tuesday 21 May 2024 Morning Time allowed: 1 hour 30 minutes
Materials For Examiner’s Use
For this paper you must have:
the Periodic Table/Data Sheet, provided as an insert (enclosed) Question Mark
a ruler with millimetre measurements 1
a scientific calculator, which you are expected to use where appropriate.
2
Instructions 3
Use black ink or black ball-point pen. 4
Fill in the boxes at the top of this page. 5
Answer all questions.
6
You must answer the questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 7
If you need extra space for your answer(s), use the lined pages at the end of Section B
this book. Write the question number against your answer(s).
All working must be shown. TOTAL
Do all rough work in this book. Cross through any work you do not
want to be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 80.
Advice
You are advised to spend about 65 minutes on Section A and 25 minutes on Section B.
IB/M/Jun24/G4001/V7 7404/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is about the analysis of organic compounds.
0 1 . 1 Table 1 shows the results of chemical tests on three organic compounds.
Complete the empty boxes in the table.
Table 1
Chemical test
Add bromine orange to
no visible change
water colourless
no visible change bubbles of gas no visible change
Warm with
Fehling’s no visible change no visible change
solution
[3 marks]
IB/M/Jun24/7404/2
, 3
Do not write
outside the
0 1 . 2 0.500 g of a hydrocarbon is analysed. box
The hydrocarbon contains 0.450 g of carbon.
Calculate the empirical formula of this hydrocarbon.
[3 marks]
Empirical formula 6
Turn over for the next question
Turn over ►
IB/M/Jun24/7404/2
, 4
Do not write
outside the
0 2 This question is about infrared spectroscopy. box
0 2 . 1 Compounds A and B both have the molecular formula C4H8O2
Figure 1 shows the infrared spectra of compounds A and B.
Use the infrared spectra to deduce a possible structural formula for compound A and
a possible structural formula for compound B.
[2 marks]
Figure 1
Possible structural formula of A Possible structural formula of B
IB/M/Jun24/7404/2
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
AS
CHEMISTRY
Paper 2 Organic and Physical Chemistry
Tuesday 21 May 2024 Morning Time allowed: 1 hour 30 minutes
Materials For Examiner’s Use
For this paper you must have:
the Periodic Table/Data Sheet, provided as an insert (enclosed) Question Mark
a ruler with millimetre measurements 1
a scientific calculator, which you are expected to use where appropriate.
2
Instructions 3
Use black ink or black ball-point pen. 4
Fill in the boxes at the top of this page. 5
Answer all questions.
6
You must answer the questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 7
If you need extra space for your answer(s), use the lined pages at the end of Section B
this book. Write the question number against your answer(s).
All working must be shown. TOTAL
Do all rough work in this book. Cross through any work you do not
want to be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 80.
Advice
You are advised to spend about 65 minutes on Section A and 25 minutes on Section B.
IB/M/Jun24/G4001/V7 7404/2
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
0 1 This question is about the analysis of organic compounds.
0 1 . 1 Table 1 shows the results of chemical tests on three organic compounds.
Complete the empty boxes in the table.
Table 1
Chemical test
Add bromine orange to
no visible change
water colourless
no visible change bubbles of gas no visible change
Warm with
Fehling’s no visible change no visible change
solution
[3 marks]
IB/M/Jun24/7404/2
, 3
Do not write
outside the
0 1 . 2 0.500 g of a hydrocarbon is analysed. box
The hydrocarbon contains 0.450 g of carbon.
Calculate the empirical formula of this hydrocarbon.
[3 marks]
Empirical formula 6
Turn over for the next question
Turn over ►
IB/M/Jun24/7404/2
, 4
Do not write
outside the
0 2 This question is about infrared spectroscopy. box
0 2 . 1 Compounds A and B both have the molecular formula C4H8O2
Figure 1 shows the infrared spectra of compounds A and B.
Use the infrared spectra to deduce a possible structural formula for compound A and
a possible structural formula for compound B.
[2 marks]
Figure 1
Possible structural formula of A Possible structural formula of B
IB/M/Jun24/7404/2
