Please check the examination details below before entering your candidate information
Candidate surname Other names
TheMedDude
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Time 1 hour 30 minutes
Paper
reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
Unit 1: Structure, Bonding and Introduction to Organic
Chemistry
You must have: Total Marks
Scientific calculator
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You will be assessed on your ability to organise and present information, ideas,
descriptions and arguments clearly and logically, including your use of grammar,
punctuation and spelling.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• Check your answers if you have time at the end.
Turn over
P67127A
©2022 Pearson Education Ltd.
L:1/1/1/
*P67127A0124*
, SECTION A
Answer ALL the questions in this section.
You should aim to spend no more than 20 minutes on this section.
For each question, select one answer from A to D and put a cross in the box .
If you change your mind, put a line through the box and then mark your new answer with
a cross .
1 Element X is in Group 2 of the Periodic Table and element Y is in Group 7.
X and Y are not the symbols of the elements.
(a) What is the formula of the compound formed from X and Y?
(1)
A XY x Ca t d
B X2Y
C XY2 ca'd
D X2Y2
In
c co pounds
(b) Under what conditions does the compound formed from X and Y
conduct electricity?
molten l aq (1)
A x and in the liquid state and in aqueous solution
in the solid state
B x and in aqueous solution only
in the solid state
x and in the liquid state only
C in the solid state
D in the liquid state and in aqueous solution only
(Total for Question 1 = 2 marks)
2 Which of these compounds would you expect to have the highest melting temperature?
A NaCl
cations anions mostelectronegative arias
B NaF Harder to
C KCl
x breakionthebund
D KF
(Total for Question 2 = 1 mark)
Use this space for any rough working. Anything you write in this space will gain no credit.
2
, blue end
3 A
A drop of an aqueous solution of green copper(II) chromate(VI) is placed in the centre
of a strip of damp filter paper. end
The ends of the filter paper are connected to a DC power supply.
yellow
What is observed after a few minutes?
A a green colour has moved to the negative end
B a green colour has moved to the positive end
C a yellow colour has moved to the positive end and a blue colour to the
negative end
D a blue colour has moved to the positive end and a yellow colour to the
negative end
(Total for Question 3 = 1 mark)
4 Which of these isoelectronic ions has the smallest ionic radius?
A N3− N t
B F− A
C Na+
D Al3+
(Total for Question 4 = 1 mark)
5 Which properties of a cation result in the greatest polarising power?
Est
A large radius and large charge
x
x and small charge
B large radius
i
C small radius and small charge
D small radius and large charge
o (Total for Question 5 = 1 mark)
6 Which properties of an anion result in it being most easily polarised?
ten
r and large charge
A large radius
B large radius and small charge
C small radius and small charge
D small radius and large charge
(Total for Question 6 = 1 mark)
3
Candidate surname Other names
TheMedDude
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Time 1 hour 30 minutes
Paper
reference WCH11/01
Chemistry
International Advanced Subsidiary/Advanced Level
Unit 1: Structure, Bonding and Introduction to Organic
Chemistry
You must have: Total Marks
Scientific calculator
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You will be assessed on your ability to organise and present information, ideas,
descriptions and arguments clearly and logically, including your use of grammar,
punctuation and spelling.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• Check your answers if you have time at the end.
Turn over
P67127A
©2022 Pearson Education Ltd.
L:1/1/1/
*P67127A0124*
, SECTION A
Answer ALL the questions in this section.
You should aim to spend no more than 20 minutes on this section.
For each question, select one answer from A to D and put a cross in the box .
If you change your mind, put a line through the box and then mark your new answer with
a cross .
1 Element X is in Group 2 of the Periodic Table and element Y is in Group 7.
X and Y are not the symbols of the elements.
(a) What is the formula of the compound formed from X and Y?
(1)
A XY x Ca t d
B X2Y
C XY2 ca'd
D X2Y2
In
c co pounds
(b) Under what conditions does the compound formed from X and Y
conduct electricity?
molten l aq (1)
A x and in the liquid state and in aqueous solution
in the solid state
B x and in aqueous solution only
in the solid state
x and in the liquid state only
C in the solid state
D in the liquid state and in aqueous solution only
(Total for Question 1 = 2 marks)
2 Which of these compounds would you expect to have the highest melting temperature?
A NaCl
cations anions mostelectronegative arias
B NaF Harder to
C KCl
x breakionthebund
D KF
(Total for Question 2 = 1 mark)
Use this space for any rough working. Anything you write in this space will gain no credit.
2
, blue end
3 A
A drop of an aqueous solution of green copper(II) chromate(VI) is placed in the centre
of a strip of damp filter paper. end
The ends of the filter paper are connected to a DC power supply.
yellow
What is observed after a few minutes?
A a green colour has moved to the negative end
B a green colour has moved to the positive end
C a yellow colour has moved to the positive end and a blue colour to the
negative end
D a blue colour has moved to the positive end and a yellow colour to the
negative end
(Total for Question 3 = 1 mark)
4 Which of these isoelectronic ions has the smallest ionic radius?
A N3− N t
B F− A
C Na+
D Al3+
(Total for Question 4 = 1 mark)
5 Which properties of a cation result in the greatest polarising power?
Est
A large radius and large charge
x
x and small charge
B large radius
i
C small radius and small charge
D small radius and large charge
o (Total for Question 5 = 1 mark)
6 Which properties of an anion result in it being most easily polarised?
ten
r and large charge
A large radius
B large radius and small charge
C small radius and small charge
D small radius and large charge
(Total for Question 6 = 1 mark)
3
