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Chemistry · 2018
JEE Main 2018 · 2018-04-08 Offline · Q40
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…
How long (approximate) should water be electrolysed by passing through $\displaystyle 100$ amperes current so that the oxygen released can completely burn $\displaystyle 27.66$ g of diborane ?
(Atomic weight of $\displaystyle \mathrm{B}=10.8 \mathrm{u}$ )
Official answer
(3)
3.$\displaystyle 2$ hours
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JEE Main 2018 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.