OCR AS Level Chemistry B (Salters) H033/01 Foundations of chemistry QUESTION PAPER May 2022 – Morning

OCR AS Level Chemistry B (Salters) H033/01 Foundations of chemistry QUESTION PAPER May 2022 – Morning

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 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.

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Version 2022
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Authors qwivy.com
Pages 16
Language English
Tags OCR AS Level Chemistry B (Salters) H033/01 Foundations of chemistry QUESTION PAPER May 2022 – Morning
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