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Atoms and reactions

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Question 54
67%

A chlorate(III) ion has a 1−1-1− charge.

What is the formula for calcium chlorate(III)?

A

CaClO3\text{CaClO}_3CaClO3​

B

Ca(ClO3)2\text{Ca}(\text{ClO}_3)_2Ca(ClO3​)2​

C

Ca(ClO2)2\text{Ca}(\text{ClO}_2)_2Ca(ClO2​)2​

D

CaClO2\text{CaClO}_2CaClO2​

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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