Reduction electrode potentials of half cells (1) `Pt(H_(2))|H^(+)(C_(f)),(2)Pt(cl_(2))|(Cl^(-))(C_(2))` and (3) `Ag^(+)|Ag^(+)(C_(3))` on inc reasing

Question

Reduction electrode potentials of half cells (1) `Pt(H_(2))|H^(+)(C_(f)),(2)Pt(cl_(2))|(Cl^(-))(C_(2))` and (3) `Ag^(+)|Ag^(+)(C_(3))` on inc reasing

Reduction electrode potentials of half cells
(1) `Pt(H_(2))|H^(+)(C_(f)),(2)Pt(cl_(2))|(Cl^(-))(C_(2))` and (3) `Ag^(+)|Ag^(+)(C_(3))` on inc reasing `C_(1)C_(2)`, and `C_(3)` (all gases are at 1 atm pressure)
A. will increase in all the three cases
B. will decrease in all the three cases
C. will increase in case (1) and (3) but decrease in case (2)
D. will decrease in case (1) and (3) but increase in case (2).

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - c
Reduction potential in three cases are as follows:
(A) `H^(+)+e^(-)rarr(1)/(2)H_(2)`
On increasing `[H^(+)]E_(2)H+H_(2)` will increase
`(1)/(2)Cl_(2)+2e^(-)rarrCl^(-)`
On increasing `[Cl_(4)^(-)],E_(Cl_(2)//Ag)` will increase.

4 views Answered 2023-02-05 15:29