d and f BLOCK ELEMENTS

What is the coefficient of Fe^2+ in the balanced ionic equation for the reaction between dichromate and iron(II)?

• 1
• 2
• 3
• 6

What is the coefficient of Cr^3+ in the balanced half-reaction for the reduction of dichromate in acidic solution?

• 1
• 2
• 3
• 6

What is the coefficient of H2O in the balanced half-reaction for the reduction of dichromate in acidic solution?

• 1
• 2
• 6
• 7

What is the coefficient of H+ in the balanced half-reaction for the reduction of dichromate in acidic solution?

• 2
• 6
• 7
• 14

In the reaction where acidified dichromate oxidizes iron(II) to iron(III), what happens to the dichromate ion?

• It is oxidized to chromate ions
• It is reduced to chromium(III) ions
• It precipitates out of solution
• It remains unchanged