d and f BLOCK ELEMENTS

What is the main product formed when acidified potassium dichromate oxidizes tin(II) salts according to the text?

• Tin metal
• Tin(II) salts
• Tin(IV) salts
• Tin(0)

What is the coefficient of Fe^3+ in the balanced equation for the overall reaction between dichromate and iron(II)?

• 1
• 2
• 3
• 6

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

• 1
• 2
• 3
• 6

What is the coefficient of Cr^3+ in the balanced equation for the overall reaction between dichromate and iron(II)?

• 1
• 2
• 3
• 6

What is the coefficient of H2O in the balanced equation for the overall reaction between dichromate and iron(II)?

• 1
• 2
• 6
• 7