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Consider the following equation for an e...

Consider the following equation for an electrochemical cell reaction. Which of the following changes in condition will increase the cell voltage ?
`H_(2)(g)+PbCl_(2)(s)toPb(s)+2HCl(aq)`
(I) addition of concentrated `HClO_(4)` in the cell solution
`{:(,(II),"Increase the pressure of "H_(2)(g),(III),"increase the amount of " Pb(s)):}`

A

III

B

I and II

C

II and III

D

II

Text Solution

Verified by Experts

The correct Answer is:
D
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