Answer to Question #122616 in General Chemistry for Sara

Question

Consider the following redox half equations

Cr2O72- Cr3+

Fe2+ Fe3+

(a) Write the balanced half reactions in an acidic solution for BOTH redox couples listed above.

Use ">" to indicate the arrow in your answer or you can copy the arrow from above. (6 marks)



(b) Identify, clearly which half reaction represents an oxidation and which half equation represents a reduction (2 marks)



(c) Is Fe2+ in the half equation in (b) acting as an oxidising or reducing agent?

Explain. (2 marks)

Answer 1

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