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56 g of nitrogen and 8 g of hydrogen gas...

56 g of nitrogen and 8 g of hydrogen gas are heated in a cloed vessel. At equilibrium, 34 g of ammonia are present. The equilibrium number of moles of nitrogen, hydrogen and ammonia are respectively

A

1, 2, 2

B

2, 2, 1

C

1, 1, 2

D

2, 1, 2

Text Solution

Verified by Experts

The correct Answer is:
C
56 g of `N_(2)` = 56/28 = 2 moles,
8 g of `H_(2)` = 8/2 = 4 moles,
34 g of `NH_(3)` = 34/17 = 2 moles.
`{:(,N_(2),+,3H_(2),iff,2NH_(3)),("Initial","2 moles",,"4 moles",,),("At eqm.","2 - 1 mole",,"4 - 3 moles",,"2 moles"),(,"= 1 mole",,"= 1 mole",,):}`
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