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PEARSON EDEXCEL GCE A-LEVEL CHEMISTRY 6CH04/01 ADVANCED UNIT 4 GENERAL PRINCIPLES OF CHEMISTRY 1- RATES, EQUILIBRIA AND FURTHER ORGANIC CHEMISTRY [including synoptic assessment] (AUTHENTIC MARKING SCHEME ATTACHED)£6.18
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Edexcel GCE
Chemistry
Advanced
Unit 4: General Principles of Chemistry I – Rates,
Equilibria and Further Organic Chemistry
(including synoptic assessment)
Monday 9 June 2014 – Afternoon Paper Reference
Time: 1 hour 40 minutes 6CH04/01
You must have: Data Booklet Total Marks
Candidates may use a calculator.
PEARSON EDEXCEL GCE A-LEVEL CHEMISTRY 6CH04/01
ADVANCED UNIT 4 GENERAL PRINCIPLES OF
CHEMISTRY 1- RATES, EQUILIBRIA AND FURTHER
ORGANIC CHEMISTRY [including synoptic assessment]
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 This question is about four organic compounds, each containing two carbon
atoms. A CH3CH2OH
B CH3CHO
C CH3COOH
D CH3COCl
(a) Which is oxidized by ammoniacal silver nitrate?
(1)
A
B
C
D
(b) Which has the highest boiling temperature?
(1)
A
B
C
D
(c) 0.01 mol of each compound is heated separately with excess
acidified sodium dichromate(VI).
Which compound reduces the largest amount of sodium dichromate(VI)?
(1)
A
B
C
D
2
*P42972A0224*
,(d) 0.01 mol of each compound is added separately to identical volumes of
water. Which solution would have the lowest pH?
(1)
A
B
C
D
(Total for Question 1 = 4 marks)
Use this space for any rough working. Anything you write in this space will gain no credit.
3
*P42972A0324* Turn over
, 2 Four sketch graphs are shown below.
A B
C D
(a) Which could be a graph of the concentration of a reactant, on the vertical
axis, against time for a zero order reaction?
(1)
A
B
C
D
(b) Which could be a graph of rate of reaction, on the vertical axis,
against the concentration of a reactant for a first order reaction?
(1)
A
B
C
D
4
*P42972A0424*
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