Zn(s)/Zn2+ (aq), E°=0.76V অ্যানোড ধরে নিচের কোনটিকে ক্যাথোডরুপে ব্যবহার করা যাবে?

A Mg(s)/Mg2+ (aq) [E°=+2.36V]

B Al(s)/Al3+ (aq), [E°=+1.66V]

C Ca(s)/Ca2+ (aq), [E°=+2.87V]

D Co(s)/Co2+ (aq), [E°=+0.28V]

Solution

Correct Answer: Option D

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