Chemistry, 11.11.2020 14:00 GabbyLandry
8
In this question you should use changes in oxidation numbers to balance a chemical equation.
Acidified potassium dichromate(VI) solution can oxidise a solution of V2+ ions. The equation for
this reaction is shown.
a Cr2O72- + b V2+ + CH* → d Cr3+ + e VO3- + fH2O
What is the ratio a:b in the correctly balanced equation?
A 1:1
B 1:2
C 2:1
D 4:1
Answers: 1
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8
In this question you should use changes in oxidation numbers to balance a chemical equation.
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