100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
Pearson Edexcel International Advanced Level International Advanced Level UNIT 5: Transition Metals and Organic Nitrogen Chemistry QP JANURAY 2024$13.49
Add to cart
Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel International Advanced Level
Monday 03 June 2024
Morning (Time: 1 hour 45 minutes) Paper
reference WCH15/01
Chemistry ■ ■
International Advanced Level
UNIT 5: Transition Metals and Organic Nitrogen
Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Pearson Edexcel International Advanced Level International Advanced Level UNIT 5: Transition Metals and Organic Nitrogen
Chemistry QP JANURAY 2024
Instructions
•• Use black ink or ball‑point pen.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the
centre boxesand
number at the top of this
candidate page with your name,
number.
•• Answer
Answer all
thequestions.
questions in the spaces provided
– there may be more space than you need.
Information
•• The total mark for this paper is 90.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• Into structure
the question marked with an asterisk (*), marks will be awarded for your ability
your answer logically, showing how the points you make are related or
follow on from each other where appropriate.
• 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.
• Try to answer every question.
• Check your answers if you have time at the end. Turn over
Answer ALL questions. Write your answers in the spaces provided.
DO NOT WRITE IN THIS AREA
You should aim to spend no more than 20 minutes on this section.
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 What colour is vanadium(III) in aqueous solution?
A blue
B green
C purple
D yellow
(Total for Question 1 = 1 mark)
2 An oxide of vanadium is the catalyst in one step of the contact process for the
DO NOT WRITE IN THIS AREA
manufacture of sulfuric acid.
Which reaction involves the vanadium oxide catalyst and how does the oxidation
number of vanadium change during the process?
Oxidation number
Reaction
changes for vanadium
A S + O2 SO2 +5 +4 +5
B SO2 SO3 +4 +5 +4
C SO2 SO3 +5 +4 +5
D SO3 + H2O H2SO4 +4 +5 +4
(Total for Question 2 = 1 mark) DO NOT WRITE IN THIS AREA
Use this space for any rough working. Anything you write in this space will gain no credit.
2
■■■■
, 3 An equation for the reaction of FeSO4 with KMnO4 is shown.
2KMnO4 + 10FeSO4 + 8H2SO4 K2SO4 + 2MnSO4 + 5Fe2(SO4)3 + 8H2O
DO NOT WRITE IN THIS AREA
(a) Which shows the changes in the oxidation states for iron and manganese?
(1)
Iron Manganese
A II III VII II
B II III VII IV
C III II II VII
D III II III IV
(b) A 25.00 cm3 sample of FeSO4 dissolved in acid required 22.50 cm3 of
0.100 mol dm–3 KMnO4 for complete reaction.
What is the concentration of the FeSO4 solution?
DO NOT WRITE IN THIS AREA
(1)
A 0.011 moldm–3
B 0.100 moldm–3
C 0.450 moldm–3
D 0.900 moldm–3
(Total for Question 3 = 2 marks)
4 The emf, Ecell
d , of the cell made up of the copper and magnesium half‑cells is
measured under standard conditions.
The voltmeter used has a measurement uncertainty of 0.50%.
What is the highest emf that could be measured in this experiment?
DO NOT WRITE IN THIS AREA
Use your Data Booklet.
A 2.70V
B 2.72V
C 2.74V
D 2.85V
(Total for Question 4 = 1 mark)
3
■■■■ Turn over
, 5 Which is the diagram for the cell made up of the nickel and zinc half‑cells that gives a
positive value for Ecelld ?
DO NOT WRITE IN THIS AREA
Use your Data Booklet.
A Zn(s) | Zn2+(aq) || Ni2+(aq) | Ni(s)
B Zn2+(aq) | Zn(s) || Ni(s) | Ni2+(aq)
C Ni(s) | Ni2+(aq) || Zn2+(aq) | Zn(s)
D Ni2+(aq) | Ni(s) || Zn(s) | Zn2+(aq)
(Total for Question 5 = 1 mark)
Use this space for any rough working. Anything you write in this space will gain no credit.
DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA
4
■■■■
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller papersbybree. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
