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Date May 2009 Marks available 1 Reference code 09M.1.hl.TZ2.32
Level HL Paper 1 Time zone TZ2
Command term Apply Question number 32 Adapted from N/A

Question

What is the cell potential, in V, for the reaction that occurs when the following two half-cells are connected?

Fe2+(aq)+2eFe(s)EΘ=0.44 VCr2O27(aq)+14H+(aq)+6e2Cr3+(aq)+7H2O(l)EΘ=+1.33 V

A.     +0.01

B.     +0.89

C.     +1.77

D.     +2.65

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Additional higher level (AHL) » Topic 19: Redox processes » 19.1 Electrochemical cells
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