Q.

The solution of nickel sulphate in which nickel rod is dipped is diluted 10 times. The potential of nickel

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answer is 3.

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Detailed Solution

Half cell reaction is Ni+2 +2e- → NiApplying Nernst equationSince the solutioin is 10 times diluted; [Ni]+2 decreases 10 times. [Ni]+2 =0.1MReduction potential decreases by approximately 30mV
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