OCR AS Level Chemistry B (Salters) H033/01 Foundations of chemistry Question Paper 2022

OCR AS Level Chemistry B (Salters) H033/01 Foundations of chemistry Question Paper 2022


1 Which ion has the same electron configuration as Ca2+?

 A Al 3+

 B Br –

 C K+

 D Mg2+

Your answer [1]

2 Sodium has a lower melting point than magnesium.

What is a reason for this?

 A Magnesium has more delocalised electrons per atom.

 B Magnesium is more ionic.

 C Melting points decrease across Period 3.

 D Sodium has a covalent structure.

Your answer [1]

3 Which row is correct for the properties of the solids shown?

Solid Melting point Electrical

conductivity

A graphite high poor

B iodine high poor

C iron low good

D sodium chloride high poor

Your answer [1]

3

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4 Which compound is a saturated aliphatic hydrocarbon?

 A benzene

 B cyclohexane

 C cyclohexene

 D hexene

Your answer [1]

5 Which reaction has the largest atom economy for the formation of the organic product?

 A C2H4 + Br2 C2H4Br2

 B C2H5Br + Br2 C2H4Br2 + HBr

 C C6H6 + Br2 C6H5Br + HBr

 D C2H6 + Br2 C2H5Br + HBr

Your answer [1]

6 What is a correct property of hydrogen iodide gas?

 A It has high thermal stability.

 B It is neutral in solution.

 C It is unreactive with ammonia.

 D It reduces sulfuric acid to hydrogen sulfide.

Your answer [1]

7 Which statement correctly describes the reaction below?

C4H9Cl + NH3 C4H9NH2 + HCl

 A Ammonia adds to a haloalkane to form an amine.

 B Ammonia is displacing hydrogen chloride.

 C An amine is formed in a substitution reaction.

 D Chloropropane is reacting with ammonia.

Your answer [1]

4

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8 Which of these compounds will have the highest boiling point?

 A CH3CHO

 B CH3CH2OH

 C HOCH2CH2OH

 D CH3OCH3

Your answer [1]

9 What is the final stage in the purification of a liquid organic product?

 A distillation

 B drying

 C neutralisation

 D separation

Your answer [1]

10 What is a correct formula for an iron salt?

 A FeCO3

 B Fe2(NO3)

3

 C FeNO3

 D Fe2SO4

Your answer [1]

11 Which molecule has the largest bond angle?

 A BF3

 B CHF3

 C NF3

 D PF3

Your answer

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Version MAY 2022
Category OCR
Release date 2022-07-13
Included files PDF
Authors Qwivy.com
Pages 16
Language English
Tags OCR AS Level Chemistry B Salters Foundations of chemistry Salters OCR A LEVEL CHEMISTRY B (Salters) ocr a level chemistry b ocr chemistry chemistry ocr b a level chemistry As chemistry
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