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OCR A Level Chemistry A June 2024 Paper 2 (H432-02)
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OCR A Level Chemistry A June 2024 Paper 2 (H432-02)
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OCR A LEVELCHEMISTRY PAPERS
2024
,
, 2
Section A
You should spend a maximum of 20 minutes on this section.
Write your answer to each question in the box provided.
1 All organic compounds have covalent bonds.
What is the electrostatic attraction in a covalent bond between?
A A shared pair of electrons and the nuclei of the bonded atoms
B Cations and delocalised electrons
C Oppositely charged ions
D Two molecules
Your answer
[1]
2 Hydrogen reacts much more readily with alkenes than with alkanes.
Why is this?
A Alkenes are polar molecules whereas alkanes are not.
B All atoms in an alkane have a full outer shell of electrons.
C The bond enthalpy of C–C σ bonds is higher than that of π bonds.
D The bond enthalpy of C–C σ bonds is lower than that of π bonds.
Your answer
[1]
© OCR 2024
, 3
3 A student investigates the rate of hydrolysis of different iodoalkanes using aqueous silver nitrate
in ethanol.
What colour of precipitate is seen?
A Brown
B Cream
C White
D Yellow
Your answer
[1]
4 The structure of but-1-ene is shown below.
x
y
Which row has the correct shape around carbon atoms labelled x and y?
x y
A Tetrahedral Pyramidal
B Trigonal planar Tetrahedral
C Trigonal planar Pyramidal
D Pyramidal Tetrahedral
Your answer
[1]
© OCR 2024 Turn over
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