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What is the value of k(c) for the reacti...

What is the value of `k_(c)` for the reaction at 1473 K
`I_(2)(g) hArr 2I(g)`
when one mode of iodic gas is introduced into an evacuated one litre flask so that only 5% of it gets dissociated ?

Text Solution

Verified by Experts

`{:(,I_(2)(g) ,hArr, 2I(g)),("Initial no. of moles"// "litre", 1 ,, 0),("No. of moles"// "litre at equilibrium",1-0.05,, 0.05 xx 2),(,=0.95,,=0.1):}`
Applying Law of chemical equilibrium
`K_(c) =[[(g)]^(2)]/[[I_(2)(g)]] =((0.1 "mol "L^(-1))(0.1 "mol " L^(-1)))/((0.95 "mol "L^(-1)))`
`=0.0105 =1.05 xx 10^(-2) "mol "L`
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