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Atoms and reactions

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Question 34

Aluminium has the electron configuration [Ne]3s23p1[\text{Ne}]3s^23p^1[Ne]3s23p1.

Which statement(s) about aluminium is/are correct when it reacts in redox reactions?

  1. It can lose its 3p1 3p^1\,3p1 electron to form stable monatomic Al+\text{Al}^+Al+ ions in aqueous solution.
  2. It can lose both its 3s2 and 3p1 3p^1\,3p1 electrons to form stable Al3+\text{Al}^{3+}Al3+ ions.
  3. It can gain five electrons to form monatomic Al5−\text{Al}^{5-}Al5− ions.
A

Only 1

B

Only 2

C

Only 1 and 2

D

1, 2 and 3

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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