Q.

How much time is required for complete decomposition of two moles of water using 4 ampere?

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3.86 x 105 sec

1.93 x 105 sec

96500 sec

48250 sec

answer is C.

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Detailed Solution

2H2O→4e-2H2+O2QF = It4 x 965OO = 4 x tt = 96500 sec.

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