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How long (approximate) should water be e...

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)

A

1.6 hours

B

6.4 hours

C

0.8 hours

D

3.2 hours

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The correct Answer is:
D
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