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The standared electrode potneitla for Pb...

The standared electrode potneitla for `PbrarrPb^( 2 +)+2e` is 0.13V. Calculate the potential of a lead electrdoe placed in a solution of 0.015 M in `Pb^(2)+` ions at `25^(@)C`.

A

0.185V

B

0.37V

C

0.092V

D

2.0V

Text Solution

Verified by Experts

The correct Answer is:
A
`E=E^(@)-(0.059)/(2)"log"([Pb^(2+)])/([Pb])`
`=0.13-(0.059)/(2)"log"10.015`
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