The electrode potential of the following half cell at 298 K X I X2+(0.0011 M) II Y2+ (0.01 M) I Y is β JEE Mains Chemistry Past Papers Chemistry Question
Question
The electrode potential of the following half cell at 298 K X I X2+(0.0011 M) II Y2+ (0.01 M) I Y is _______ Γ 10β2 V (Nearest integer). Given: πΈΒΊπ2+|π = β2.36 V πΈΒΊπ2+|π = +0.36 V F RT . = 0.06 V
Answer: .
π‘ Solution & Explanation
EΒΊcell = o Y | Y2 E ο« β o X | X2 E ο« = 0.36 β (β2.36) = 2.72 Ecell = EΒΊcell β 06 . log ] Y [ ] X [ 2 ο« ο« = 2.72 β 0.03 log ο· ο· οΈ οΆ ο§ ο§ ο¨ ο¦ ο΄ ο ο 4 10 = 2.72 β 0.03 log (11 Γ 10β2) = 2.72 β 0.03 [log 11 β 2] = 2.72 β 0.03 [1 β 2] = 2.72 + 0.03 = 2.75 Ans. 275
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