How long (approximate) should water be electrolysed by passing through 100 amperes current
How long (approximate) should water be electrolysed by passing through 100 amperes current so that the oxygen released can completely burn 27.66 g of diborane ? (Atomic weight of B = 10.8 u)
(1) 0.8 hours
(2) 3.2 hours
(3) 1.6 hours
(4) 6.4 hours
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1 Answers
It's because
n-factor in 2H2O is "4"
2H2O→O2+4H + 4e
Since the n factor if 4
We took 4 there...
I hope u have understood the answer
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