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A simple model for a concentration cell ...

A simple model for a concentration cell involving a metal `M` is
`M(s)|M^(o+)(aq,0.05 ` molar`)||M^(o+)(aq,1` molar`)|M(s)`
For the abov electrolytic cell, the magnitude of the cell potential is `|E_(cell)|=70mV.`
For the above cell
(a)`E_(cell)lt0,DeltaGgt0`
(b)`E_(cell)gt0,DeltaGlt0`
(c)`E_(cell)lt0,DeltaG^(c-)gt0`
(d)`E_(cell)gt0,DeltaG^(c-)lt0`

A

`E_("cell")lt0, DeltaGgt0`

B

`E_("cell")gt0, DeltaGlt0`

C

`E_("cell")lt0,DeltaG^(0)gt0`

D

`E_("cell")gt0, DeltaG^(0)lt0`

Text Solution

Verified by Experts

The correct Answer is:
B
`E_("cell") gt 0, DeltaG lt 0`
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A simple model for a concentration cell involving a metal M is M(s)|M^(o+)(aq,0.05 molar )||M^(o+)(aq,1 molar )|M(s) For the abov electrolytic cell, the magnitude of the cell potential is |E_(cell)|=70mV. If the 0.05 molar solution of M^(o+) is replaced by a 0.0025 molar M^(o+) solution, then the magnitude of the cell potential would be (a) 35mV (b) 70mV (c) 140mV (d) 700mV

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