Questions
Which cell will measure standard electrode potential of copper electrode?
a
Pt(s)∣H2(g,0.1 bar )H+(aq⋅1M)Cu2+(aq,1M)∣Cu
b
Pt(s)∣H2(g,1 bar )H+(aq,1M)Cu2+(aq,2M)∣Cu
c
Pt(s)∣H2(g,1 bar )H†(aq,1M)Cu2+(aq,1M)∣Cu
d
Pt(s)∣H2(g,0.1 bar )H+(aq,0.1M)Cu2+(aq,1M)∣Cu
detailed solution
Correct option is C
Standard electrode potential of copper electrode can be calculated by constructing a concentration cell composed of two half-cell reactions in which concentration of species on left hand and right hand side are unity.In such case cell potential is equal to standard electrode potential.Pt(s)H2(g,1bar)∣H+(aq,1M)⏟Oxidation half -cell reaction Cu2+(aq,1M)Cu⏟Reduction half -cell reactionTalk to our academic expert!
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