Write your name here
Surname Other names
Candidate Number
Pearson Centre Number
Edexcel GCE
Chemistry
Advanced Subsidiary
Unit 2: Application of Core Principles of Chemistry
Tuesday 3 June 2014 – Afternoon Paper Reference
Time: 1 hour 30 minutes 6CH02/01
Candidates may use a calculator. Total Marks
PEARSON EDEXCEL GCE A-LEVEL CHEMISTRY
6CH02/01 SUBSIDISRY UNIT 2 APPLICATION OF
CORE PRINCIPLES OF CHEMISTRY PAPERR 1
SUMMER 2024 EXAM
(AUTHENTIC MARKING SCHEME ATTACHED)
Turn over
P42971A *P42971A0124*
©2014 Pearson Education Ltd.
6/6/6/6/3/3/
, 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 When sodium is added to ethanol, which of the following observations would
be made?
A Colour change of orange to green
B Effervescence
C Yellow flame
D No change
(Total for Question 1 = 1 mark)
2 Which of the following substances does not have intermolecular hydrogen
bonds? A Ethanoic acid, CH3COOH
B Propanone, CH3COCH3
C Methanol, CH3OH
D Water, H2O
(Total for Question 2 = 1 mark)
3 Which of the following molecules has the lowest boiling temperature?
Pentane C3H6
A B C D
A
B
C
D
(Total for Question 3 = 1 mark)
2
*P42971A0224*
,4 Which of the following molecules has the highest melting temperature?
A B C D
A
B
C
D
(Total for Question 4 = 1 mark)
5 Which of the following isomeric alcohols, with molecular formula C 5H12O,
can be oxidized to a carboxylic acid with five carbon atoms?
OH
A
B
OH
C
OH
D OH
(Total for Question 5 = 1 mark)
3
*P42971A0324* Turn over
, 6 Consider the infrared spectrum shown
below. 100
Transmittance
/%
50
0
4000 3000 2000 1500 1000 500
Wavenumber / cm–1
The IR absorption ranges associated with some organic functional groups are given
below.
O–H stretching in alcohols (variable, broad) 3750– 3200 cm–1
O–H stretching in carboxylic acids (weak) 3300– 2500 cm–1
C=O stretching in aldehydes (strong) 1740– 1720 cm–1
C=O stretching in ketones (strong) 1700– 1680 cm–1
C=O stretching in carboxylic acids, alkyl (strong) 1725– 1700 cm–1
C–H stretching in aldehydes (weak) 2900– 2820 cm–1 and 2775 – 2700 cm–1
Which of the following could have produced the above spectrum?
A An aldehyde
B An alcohol
C A carboxylic acid
D A ketone
(Total for Question 6 = 1 mark)
4
*P42971A0424*
Surname Other names
Candidate Number
Pearson Centre Number
Edexcel GCE
Chemistry
Advanced Subsidiary
Unit 2: Application of Core Principles of Chemistry
Tuesday 3 June 2014 – Afternoon Paper Reference
Time: 1 hour 30 minutes 6CH02/01
Candidates may use a calculator. Total Marks
PEARSON EDEXCEL GCE A-LEVEL CHEMISTRY
6CH02/01 SUBSIDISRY UNIT 2 APPLICATION OF
CORE PRINCIPLES OF CHEMISTRY PAPERR 1
SUMMER 2024 EXAM
(AUTHENTIC MARKING SCHEME ATTACHED)
Turn over
P42971A *P42971A0124*
©2014 Pearson Education Ltd.
6/6/6/6/3/3/
, 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 When sodium is added to ethanol, which of the following observations would
be made?
A Colour change of orange to green
B Effervescence
C Yellow flame
D No change
(Total for Question 1 = 1 mark)
2 Which of the following substances does not have intermolecular hydrogen
bonds? A Ethanoic acid, CH3COOH
B Propanone, CH3COCH3
C Methanol, CH3OH
D Water, H2O
(Total for Question 2 = 1 mark)
3 Which of the following molecules has the lowest boiling temperature?
Pentane C3H6
A B C D
A
B
C
D
(Total for Question 3 = 1 mark)
2
*P42971A0224*
,4 Which of the following molecules has the highest melting temperature?
A B C D
A
B
C
D
(Total for Question 4 = 1 mark)
5 Which of the following isomeric alcohols, with molecular formula C 5H12O,
can be oxidized to a carboxylic acid with five carbon atoms?
OH
A
B
OH
C
OH
D OH
(Total for Question 5 = 1 mark)
3
*P42971A0324* Turn over
, 6 Consider the infrared spectrum shown
below. 100
Transmittance
/%
50
0
4000 3000 2000 1500 1000 500
Wavenumber / cm–1
The IR absorption ranges associated with some organic functional groups are given
below.
O–H stretching in alcohols (variable, broad) 3750– 3200 cm–1
O–H stretching in carboxylic acids (weak) 3300– 2500 cm–1
C=O stretching in aldehydes (strong) 1740– 1720 cm–1
C=O stretching in ketones (strong) 1700– 1680 cm–1
C=O stretching in carboxylic acids, alkyl (strong) 1725– 1700 cm–1
C–H stretching in aldehydes (weak) 2900– 2820 cm–1 and 2775 – 2700 cm–1
Which of the following could have produced the above spectrum?
A An aldehyde
B An alcohol
C A carboxylic acid
D A ketone
(Total for Question 6 = 1 mark)
4
*P42971A0424*
