Redox Reactions And Electrochemistry Ques 218

Question: If the ΔG of a cell reaction AgCl+eAg+Cl is 21.20 KJ ; the standard e.m.f., of cell is [MP PMT 2004]

Options:

A) 0.229 V

B) 0.220 V

C) - 0.220 V

D) - 0.110 V

Show Answer

Answer:

Correct Answer: B

Solution:

Given: ΔG=21.20 kJ =21200J   ΔG=nFE E=212001×96500=0.2196 V=0.22 V.



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