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For the reaction : 2NO_(2(g)) hArr 2NO_(g)+O_(2)(g), (K_(e )=1.8xx10^(-6) " at " 184^(@)C) (R=0.0831 kJ//("mol" K)) When K_(P) and K_(e ) are compared at 184^(@)C, it is found that

Answer»

WHEATER `K_(p)` is greater than, less than or equal to `K_(E )` depends upon the total GAS pressure
`K_(p)=K_(e )`
`K_(p)` is less than `K_(e )`
`K_(p) ` is greaterthan `K_(e )`

Solution :For the reaction `2NO_(2)(g) hArr 2NO (g)+O_(2)(g)`
given `K_(e )=1.8xx10^(-6) at 184^(@)C`
R=0.0831 Kj/mol K
`K_(p)=1.8xx10^(-6)xx0.0831xx457=6.836xx10^(-6)`
`[because 184^(@)C=(273+184)=457k, Delta n =(2+1,-1)=1]`
Hence it is clear that `K_(p) gt K_(e )`


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