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For the following electrochemical cell a...

For the following electrochemical cell at 298K, `Pt(s)|H_2(g)(1bar)||H_(aq)^+, (1M)|M_(aq)^(4+), M_(aq)^(2+)|Pt(s)`
`E_(cell)=0.092V` when `([M_(aq)^(2+)])/([M_(aq)^(4+)])=10^x`. Given: `E_(M^(4+)/M^(2+))^@=0.151V`, `2.303 (RT)/(F)=0.059V`. The value of x is

A

-2

B

-1

C

1

D

2

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