PMT
A Level Chemistry A
H432/01 Periodic table, elements and physical
chemistry
Sample Question Paper
Date – Morning/Afternoon
Time allowed: 2 hours 15 minutes
You must have:
• the Data Sheet for Chemistry A
You may use:
• a scientific calculator
en *
0 0 0 0 0 0 *
m
First name
ci
Last name
e
Centre Candidate
number number
Sp
INSTRUCTIONS
• Use black ink. You may use an HB pencil for graphs and diagrams.
• Complete the boxes above with your name, centre number and candidate number.
• Answer all the questions.
• Write your answer to each question in the space provided.
• Additional paper may be used if required but you must clearly show your candidate
number, centre number and question number(s).
• Do not write in the bar codes.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended responses will be assessed in questions marked with an asterisk (*).
• This document consists of 28 pages.
© OCR 2014 H432/01
[601/5255/2] DC ( ) Turn over
, PMT
2
SECTION A
You should spend a maximum of 20 minutes on this section.
Answer all the questions.
1 Which row shows the atomic structure of 55Mn2+?
Protons Neutrons Electrons
A 25 30 23
B 25 55 23
C 27 30 25
D 30 25 28
Your answer
en
[1]
2 The Group 2 elements react with water, forming a solution and a gas.
m
Which statement is correct?
A The reactivity of the elements decreases down Group 2.
ci
B The pH of the solution formed increases down Group 2.
C The reaction is a neutralisation.
e
D The equation for the reaction of strontium with water is:
Sp
2Sr + 2H2O → 2SrOH + H2
Your answer
[1]
© OCR 2014 H432/01
, PMT
3
3 Chloroethene, CH2=CHCl, is prepared in the presence of a solid catalyst using the equilibrium
reaction below.
CH2ClCH2Cl(g) CH2=CHCl(g) + HCl(g) ∆H = +51 kJ mol–1
Which change would result in an increased equilibrium yield of chloroethene?
A increasing the pressure
B increasing the surface area of the catalyst
C increasing the temperature
D use of a homogeneous catalyst
Your answer
[1]
en
4 The table below shows enthalpy changes of formation, ∆fH.
Compound TiCl4(l) H2O(l) TiO2(s) HCl(g)
∆fH / kJ mol−1
m
–804 –286 –945 –92
What is the value of the enthalpy change of reaction, ∆rH, for the reaction in the following equation?
ci
TiCl4(l) + 2H2O(l) → TiO2(s) + 4HCl(g)
e
A –63 kJ mol–1
–53 kJ mol–1
Sp
B
C +53 kJ mol–1
D +63 kJ mol–1
Your answer
[1]
© OCR 2014 H432/01 Turn over
A Level Chemistry A
H432/01 Periodic table, elements and physical
chemistry
Sample Question Paper
Date – Morning/Afternoon
Time allowed: 2 hours 15 minutes
You must have:
• the Data Sheet for Chemistry A
You may use:
• a scientific calculator
en *
0 0 0 0 0 0 *
m
First name
ci
Last name
e
Centre Candidate
number number
Sp
INSTRUCTIONS
• Use black ink. You may use an HB pencil for graphs and diagrams.
• Complete the boxes above with your name, centre number and candidate number.
• Answer all the questions.
• Write your answer to each question in the space provided.
• Additional paper may be used if required but you must clearly show your candidate
number, centre number and question number(s).
• Do not write in the bar codes.
INFORMATION
• The total mark for this paper is 100.
• The marks for each question are shown in brackets [ ].
• Quality of extended responses will be assessed in questions marked with an asterisk (*).
• This document consists of 28 pages.
© OCR 2014 H432/01
[601/5255/2] DC ( ) Turn over
, PMT
2
SECTION A
You should spend a maximum of 20 minutes on this section.
Answer all the questions.
1 Which row shows the atomic structure of 55Mn2+?
Protons Neutrons Electrons
A 25 30 23
B 25 55 23
C 27 30 25
D 30 25 28
Your answer
en
[1]
2 The Group 2 elements react with water, forming a solution and a gas.
m
Which statement is correct?
A The reactivity of the elements decreases down Group 2.
ci
B The pH of the solution formed increases down Group 2.
C The reaction is a neutralisation.
e
D The equation for the reaction of strontium with water is:
Sp
2Sr + 2H2O → 2SrOH + H2
Your answer
[1]
© OCR 2014 H432/01
, PMT
3
3 Chloroethene, CH2=CHCl, is prepared in the presence of a solid catalyst using the equilibrium
reaction below.
CH2ClCH2Cl(g) CH2=CHCl(g) + HCl(g) ∆H = +51 kJ mol–1
Which change would result in an increased equilibrium yield of chloroethene?
A increasing the pressure
B increasing the surface area of the catalyst
C increasing the temperature
D use of a homogeneous catalyst
Your answer
[1]
en
4 The table below shows enthalpy changes of formation, ∆fH.
Compound TiCl4(l) H2O(l) TiO2(s) HCl(g)
∆fH / kJ mol−1
m
–804 –286 –945 –92
What is the value of the enthalpy change of reaction, ∆rH, for the reaction in the following equation?
ci
TiCl4(l) + 2H2O(l) → TiO2(s) + 4HCl(g)
e
A –63 kJ mol–1
–53 kJ mol–1
Sp
B
C +53 kJ mol–1
D +63 kJ mol–1
Your answer
[1]
© OCR 2014 H432/01 Turn over
