Oxidation, reduction and redox equations

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Question 5
Easy

Which compound can change the colour of an acidified potassium dichromate(VI) solution from orange to green?

Na3PO4\text{Na}_3\text{PO}_4Na3​PO4​

NaClO4\text{NaClO}_4NaClO4​

NaNO2\text{NaNO}_2NaNO2​

MgSO4\text{MgSO}_4MgSO4​

Oxidation, reduction and redox equations Questions

  1. A Level
  2. /Chemistry
  3. /Oxidation, reduction and redox equations