BITSAT 2006 Solved Question Paper

Section: Chemistry

Question : 99 of 150

Marks: +1, -0

The cathodic reaction of a dry cell is represented by 2MnO2(s)+Zn2++2e−→ZnMn2O4(s) If, there are 8g of MnO2 in the cathodic compartment then the time forwhich the dry cell will continue to give a current of 2 milliampere is :

25.675 day
51.35 day
12.8 day
6.423 day

Validate

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