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Date May 2017 Marks available 1 Reference code 17M.1.hl.TZ1.30
Level HL Paper 1 Time zone TZ1
Command term State Question number 30 Adapted from N/A

Question

Which statement is correct for the overall reaction in a voltaic cell?

2AgNO3(aq) + Ni(s) → 2Ag(s) + Ni(NO3)2(aq)         Eθ= +1.06 V

A.     Electrons flow from Ag electrode to Ni electrode.

B.     Ni is oxidized to Ni2+ at the cathode (negative electrode).

C.     Ag+ is reduced to Ag at the anode (positive electrode).

D.     Ag has a more positive standard electrode potential value than Ni.

Markscheme

D

Examiners report

[N/A]

Syllabus sections

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