Exam (elaborations)

AS CHEMISTRY Paper 1

5 views 0 purchase

Course
AS CHEMISTRY Paper 1

Institution
AS CHEMISTRY Paper 1

AS CHEMISTRY Paper 1 Inorganic and Physical Chemistry Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to...

[Show more]

Preview 4 out of 37 pages

View example

Uploaded on April 11, 2024
Number of pages 37
Written in 2023/2024
Type Exam (elaborations)
Contains Only questions

as chemistry paper 1 inorganic and physical che

margaretmbugua453

Member since 6 months 31 documents sold

CA$16.01

Added

Add to cart

Add to wishlist

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

Please write clearly in block capitals.
AS
Centre Candidate
CHEMISTRY
number number

Paper 1 Inorganic and Physical Chemistry
Surname

Forename(s)

Candidate re
Time allowed: 1 hour 30 minutes
signatu
Materials
For this paper you must have:
For Examiner’s Use
 the Periodic Table/Data Sheet, provided as an insert (enclosed)
 a ruler with millimetre measurements Question Mark
 a scientific calculator, which you are expected to use where appropriate. 1
2
Instructions
3
 Use black ink or black ball-point pen.
 Fill in the boxes at the top of this page. 4
 Answer all questions. 5
 You must answer the questions in the spaces provided. Do not 6
write outside the box around each page or on blank pages.
 If you need extra space for your answer(s), use the lined pages at 7
the end of this book. Write the question number against your 8
answer(s). Section
 All working must be shown. B
 Do all rough work in this book. Cross through any work TOTAL
you do not want to be marked.

Information
 The marks for questions are shown in brackets.
 The maximum mark for this paper is 80.

Advice
You are advised to spend about 65 minutes on Section A and 25 minutes on Section B.

*JUN227404101*
IB/M/Jun22/
E7
7404/1

, 2
Do not
write
Section A box

Answer all questions in this
section.

0 1 This question is about ionisation energies of Group 2 elements.

0 1 .1 Explain why the first ionisation energy of the Group 2 elements
decreases down the group.
[2 marks]

0 1 .2 Give an equation, including state symbols, to represent the process that
occurs when the third ionisation energy of magnesium is measured.
[1 mark]

0 1 .3 Explain why the third ionisation energy of magnesium is much
higher than the second ionisation energy of magnesium.
[2 marks]

5

*02
IB/M/
*

, 3
Do not
write
0 2 This question is about acid–base box

titrations. Citric acid reacts with

sodium hydroxide.

C6H8O7(aq) + 3 NaOH(aq) → Na3C6H5O7(aq) + 3
H2O(l)

0 2 .1 A student makes a solution of citric acid by dissolving some solid citric acid in
water.

Describe a method to add an accurately known mass of solid to a
beaker to make a solution.
[2 marks]

0 2
.2 The student dissolves 0.834 g of citric acid in water and makes the
solution up to 500 cm3

Calculate the concentration, in mol dm–3, of citric acid in this solution.
[3 marks]

Concentration mol dm–3

*03
IB/M/
*

, 4
Do not
write

Turn over ►

*03
IB/M/
*

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 margaretmbugua453. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$16.01. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

84146 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling

Exam (elaborations)

AS CHEMISTRY Paper 1

Document information

Subjects

Written for

Seller

Reviews received

Content preview