What volume of hydrogen gas, at 273 K and 1 atm. pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen?
Option 1)
89.6 L |
Option 2)
67.2 L |
Option 3)
44.8 L |
Option 4)
22.4 L. |
As we learnt in
Number of Moles of a gas at STP -
no of moles of a gas at STP= given volume of gas / 22.4 liter
-
1 Mole B requires Mole H2
2 Mole B requires
Volume of H2 at STP =
Ans.Optin (2)
Option 1)
89.6 L
This is an incorrect option.
Option 2)
67.2 L
This is an incorrect option.
Option 3)
44.8 L
This is an incorrect option.
Option 4)
22.4 L.
This is an incorrect option.
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