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Atoms and reactions

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Question 34

Chlorine has the electron configuration [Ne]3s23p5[\text{Ne}]3s^23p^5[Ne]3s23p5.

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

  1. It can gain one electron to form Cl−\text{Cl}^-Cl− ions.
  2. It can lose its 3s2 electrons to form Cl2+\text{Cl}^{2+}Cl2+ ions.
  3. It can lose its 3p5 3p^5\,3p5 electrons to form monatomic Cl5+\text{Cl}^{5+}Cl5+ ions.
A

Only 1

B

Only 1 and 3

C

Only 2 and 3

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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