Add about 2 mL of sulfuric acid to 1 mL of potassium dichromate. Then add iron (II) sulfate (with mixing) until the color change is complete. What color is the final mixture? reen So the chromium product is ra (504) (formula) So was the iron (11) oxidized or reduced? X Was dichromate oxidized or reduced? reduced What test might you perform to verify the iron product? Try it. Complete the equation and balance it by the half-reaction method:

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2. Add about 2 mL of sulfuric acid to 1 mL of potassium dichromate. Then add iron (II) sulfate (with mixing) until the
color change is complete.
What color is the final mixture?
C₂ (504) (formula)
So the chromium product is
So was the iron (11) oxidized or reduced?
Was dichromate oxidized or reduced? reduced
What test might you perform to verify the iron product? Try it.
Complete the equation and balance it by the half-reaction method:
Cr₂O²+ Fe** -
3. Add 2 mL of sodium hydroxide to 1 mL of potassium permanganate. Then add aqueous iron (II) sulfate with mixing
until the permanganate color disappears.
What color is the final mixture?
So the manganese product is
(formula)
Was manganese oxidized or reduced?
Was the iron (II) oxidized or reduced?
(can you see it in this mixture?)
What should the iron product look like in basic solution?
What test might you perform to verify the iron product? Try it.
Complete the reaction with the appropriate products in basic solution and balance:
MnO + Fe
4. Add-3 mL of deionized water to 1 mL of potassium permanganate. In the HOOD, add sodium sulfide drop by drop
until the purple permanganate color has just disappeared. The oxidation product is elemental sulfur (S).
What color is the manganese product?
So the reduction product is
Complete the equation and balance it by the half-reaction method: (is it acidic, basic, or neutral? i.e., did you add an
acid, a base, or neither?)
(formula)
MnO4 + S²-
Transcribed Image Text:2. Add about 2 mL of sulfuric acid to 1 mL of potassium dichromate. Then add iron (II) sulfate (with mixing) until the color change is complete. What color is the final mixture? C₂ (504) (formula) So the chromium product is So was the iron (11) oxidized or reduced? Was dichromate oxidized or reduced? reduced What test might you perform to verify the iron product? Try it. Complete the equation and balance it by the half-reaction method: Cr₂O²+ Fe** - 3. Add 2 mL of sodium hydroxide to 1 mL of potassium permanganate. Then add aqueous iron (II) sulfate with mixing until the permanganate color disappears. What color is the final mixture? So the manganese product is (formula) Was manganese oxidized or reduced? Was the iron (II) oxidized or reduced? (can you see it in this mixture?) What should the iron product look like in basic solution? What test might you perform to verify the iron product? Try it. Complete the reaction with the appropriate products in basic solution and balance: MnO + Fe 4. Add-3 mL of deionized water to 1 mL of potassium permanganate. In the HOOD, add sodium sulfide drop by drop until the purple permanganate color has just disappeared. The oxidation product is elemental sulfur (S). What color is the manganese product? So the reduction product is Complete the equation and balance it by the half-reaction method: (is it acidic, basic, or neutral? i.e., did you add an acid, a base, or neither?) (formula) MnO4 + S²-
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