Which one of the following will increase the voltage of the cell? Sn(s)+2Ag+(aq)→Sn2+(aq)+2Ag(s)

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increase in concentration of Sn2+

increase in size of silver rod

increase in the concentration of Ag+

none of the above

answer is C.

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Detailed Solution

Ecell=Ecello - 2.303RTnFlog⁡[Sn2+][Ag+]2. Increase in the concentration of Ag+ decreases the value of log⁡[Sn2+][Ag+]2.This results in the increased value of Ecell

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