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The equilibrium pressure of NH4CN(s) iff...

The equilibrium pressure of `NH_4CN(s) iff NH_3+HCN` is 0.298 atm, Calculate `K_p`. If `NH_4CN` (s) is allowed to decompose in presence of `NH_3` at 0.25 atm, calculate partial pressure of `HCN` at equilibrium.

A

0.06 atm

B

0.08 atm

C

0.04 atm

D

0.02 atm

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The correct Answer is:
B
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