GCSE
CHEMISTRY
Higher Tier Paper 1This question is about carbon and its compounds.
Fullerenes are molecules of carbon atoms.
The first fullerene to be discovered was Buckminsterfullerene (C60).
box
. What shape is a Buckminsterfullerene molecule?
[1 mark]
. Give one use of a fullerene.
[1 ...
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GCSE
CHEMISTRY
Higher Tier Paper 1
H
Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: For Examiner’s Use
a ruler
a scientific calculator Question Mark
the periodic table (enclosed). 1
2
Instructions
Use black ink or black ball-point pen. 3
Pencil should only be used for drawing. 4
Fill in the boxes at the top of this page.
5
Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 6
If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s). 8
Do all rough work in this book. Cross through any work you do not want
to be marked. 9
In all calculations, show clearly how you work out your answer. TOTAL
Information
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
You are reminded of the need for good English and clear presentation
in your answers.
*
IB/M/Jun21/E16 8462/1H
, 2
Do not write
outside the
box
0 1 This question is about carbon and its compounds.
Fullerenes are molecules of carbon atoms.
The first fullerene to be discovered was Buckminsterfullerene (C60).
. What shape is a Buckminsterfullerene molecule?
[1 mark]
. Give one use of a fullerene.
[1 mark]
Propanone is a compound of carbon, hydrogen and oxygen.
Figure 1 shows the dot and cross diagram for a propanone molecule.
Figure 1
*02*
IB/M/Jun21/8462/1H
, 3
Do not write
outside the
box
. Complete Figure 2 to show a propanone molecule.
Use a line to represent each single bond.
Use Figure 1.
[1 mark]
Figure 2
. Determine the molecular formula of propanone.
Use Figure 1.
[1 mark]
Molecular formula =
. Propanone is a liquid with a low boiling point.
Why does propanone have a low boiling point?
[1 mark]
Tick () one box.
The covalent bonds are strong.
The covalent bonds are weak.
The intermolecular forces are strong.
The intermolecular forces are weak.
*03*
IB/M/Jun21/8462/1H
, 4
Turn over ► Do not write
outside the
*03*
IB/M/Jun21/8462/1H
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