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The value of the reaction quotient, Q fo...

The value of the reaction quotient, Q for the following cell is
`Zn(s)|Zn^(2+) (0.01 M)||Ag^(+) (1.25 M)|Ag(s)`

A

156

B

125

C

`1.25xx10^(-2)`

D

`6.4xx10^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
D
The cell reaction is
`{:(" "Zn(s) rarr Zn^(2+) (0.01M)+2e^(-)),(" "[Ag^(+) (1.25M)+e^(-) rarr Ag(s)]xx2),(bar("["Zn(s)+2Ag^(+) (1.25 M) rarr Zn^(2+) (0.01 M)+2Ag(s))):}`
`Q=([Zn^(2+)])/([Ag^(+)]^(2))=0.01/((1.25)^(2))=6.4xx10^(-3)`
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