The magnitude `(` but not the sign `)` of the standard reduction potentials of two metals `X` and `Y
Channel: Doubtnut
Date: 12/07/2020

The magnitude `(` but not the sign `)` of the standard reduction potentials of two metals `X` and `Y` are `:`  `Y^(2)+2e^(-) rarr Y |E_(1)^(c-)|=0.34V`  `X^(2)+2e^(-) rarr X |E_(2)^(c-)|=0.25V`  When the two half cells of `X` and `Y `are connected to construct a cell, eletrons flow from `X` to `Y`. When `X` is connected to a standard hydrogen electrode `(SHE)`,electrons flow from `X` to `SHE`.  If standard emf `(E^(c-))` of a half cell `Y^(2)|Y^(o+)` is `0.15V`, the standard emf of the half cell `Y^(o+)|Y`  will be