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Properties of Period 3 elements and their oxides (A-level only)

Properties of Period 3 elements and their oxides (A-level only)

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Question 5

This question is about some Period 3 elements and their oxides.

1.

Write an equation for the reaction of phosphorus (P4\text{P}_4P4​) with an excess supply of oxygen to form phosphorus(V) oxide (P4O10\text{P}_4\text{O}_{10}P4​O10​).

[1]
2.

Describe a test you could carry out in a test tube to distinguish between solid magnesium oxide and solid phosphorus(V) oxide.

[3]
3.

State the type of crystal structure shown in sulfur trioxide (SO3\text{SO}_3SO3​) and in sodium oxide (Na2O\text{Na}_2\text{O}Na2​O).

[2]
4.

Explain, in terms of structure and bonding, why aluminium oxide (Al2O3\text{Al}_2\text{O}_3Al2​O3​) has a much higher melting point than sulfur trioxide (SO3\text{SO}_3SO3​).

[4]
5.

Write an equation for the reaction of sulfur trioxide (SO3\text{SO}_3SO3​) with excess sodium hydroxide solution.

[1]
6.

Write an equation for the reaction of an excess of magnesium oxide with sulfuric acid (H2SO4\text{H}_2\text{SO}_4H2​SO4​).

[1]
7.

Draw the displayed formula of the undissociated acid formed when sulfur dioxide reacts with water.

[1]
Markscheme

Properties of Period 3 elements and their oxides (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Properties of Period 3 elements and their oxides (A-level only)

17 exam-style questions on AQA A Level Chemistry Properties of Period 3 elements and their oxides (A-level only), covering Properties of Period 3 elements and their oxides (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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