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.
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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