100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
AS Level Chemistry A H032/01 Breadth in chemistry £7.15   Add to cart

Exam (elaborations)

AS Level Chemistry A H032/01 Breadth in chemistry

 7 views  0 purchase
  • Module
  • Institution

Which compound has the highest boiling point? A ethanol B heptane C sodium chloride D water Your answer [1] 2 Pauling electronegativity values for the halogens F to I and some elements in period 2 of the periodic table are shown below. B 2.04 C 2.55 N 3.04 O 3.44 F 3.98 Cl 3.16 ...

[Show more]

Preview 3 out of 24  pages

  • June 26, 2022
  • 24
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers
avatar-seller
OCR CHEM


Oxford Cambridge and RSA

Tuesday 5 October 2021 – Afternoon
AS Level Chemistry A
H032/01 Breadth in chemistry
Time allowed: 1 hour 30 minutes

You must have:
* 8 9 3 7 8 3 3 2 5 5 *




• the Data Sheet for Chemistry A
You can use:
• a scientific or graphical calculator
• an HB pencil




* H 0 3 2 0 1 *




Please write clearly in black ink. Do not write in the barcodes.

Centre number Candidate number


First name(s)

Last name


INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.

INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• This document has 24 pages.

ADVICE
• Read each question carefully before you start your answer.




© OCR 2021 [601/5256/4] OCR is an exempt Charity
DC (ST/SG) 300516/4 Turn over

, 2
SECTION A

You should spend a maximum of 25 minutes on this section.

Answer all the questions.

Write your answer to each question in the box provided.


1 Which compound has the highest boiling point?

A ethanol

B heptane

C sodium chloride

D water


Your answer [1]



2 Pauling electronegativity values for the halogens F to I and some elements in period 2 of the
periodic table are shown below.

B C N O F
2.04 2.55 3.04 3.44 3.98
Cl
3.16
Br
2.96
I
2.66


Which bond has the correct polarity?

A B C D
δ– N—I δ+ δ– C—F δ+ δ– B—Cl δ+ δ– Br—Cl δ+


Your answer [1]




© OCR 2021

, 3
3 Which compound releases hydroxide ions when it dissolves in water?

A CH3COOH

B HNO3

C H2SO4

D NH3


Your answer [1]



4 Which alkane is 82.8% carbon by mass?

A CH4

B C 2H 6

C C4H10

D C8H18


Your answer [1]



5 Which gas sample has the greatest mass at RTP?

A 50 cm3 of Ar(g)

B 100 cm3 of O2(g)

C 150 cm3 of N2(g)

D 200 cm3 of Ne(g)


Your answer [1]




© OCR 2021 Turn over

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

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 PossibleA. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £7.15. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78600 documents were sold in the last 30 days

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

Start selling
£7.15
  • (0)
  Add to cart