KCET 2011 Chemistry Solved Paper

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Question : 39 of 60

Marks: +1, -0

E1,E2 and E3 are the emfs of the following three galvanic cells respectively :
(i) Zn( s)‌|Zn2+(0.1M)|‌Cu‌u2+(1M)|‌Cu( s)
(ii) Zn( s)‌|Zn2+(1M)|Cu2+(1M)|‌Cu( s)
(iii) Zn( s)‌|Zn‌n2+(1M)|Cu2+(0.1M)|‌Cu( s)
Which one of the following is true?

E2>E1>E3
E1>E2>E3
E3>E1>E2
E3>E2>E1

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