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1 mol of N(2) and 2 mol of H(2) are allo...

1 mol of `N_(2)` and 2 mol of `H_(2)` are allowed to react in a 1 `dm^(3)` vessel. At equilibrium, `0.8` mol of `NH_(3)` is formed. The concentration of `H_(2)` in the vessel is

A

`0.6` mole

B

`0.8` mole

C

`0.2` mole

D

`0.4` mole

Text Solution

Verified by Experts

The correct Answer is:
B
`N_(2)+3H_(2)hArr2NH_(4)`
`{:(t=0,1"mole",2"mole",,0),(t=eq,1-x,2-3x,,2x=0.8):}`
`x=0.4`
mole of `N_(2)=0.6`
mole of `H_(2)=0.8`
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