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Atoms and reactions

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Question 23

What is the oxidation number of Cl in Mg(ClO3)2⋅6H2OMg(ClO_3)_2 \cdot 6H_2OMg(ClO3​)2​⋅6H2​O?

A

+1+1+1

B

+3+3+3

C

+5+5+5

D

+7+7+7

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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