1.

In a homogeneous reaction ArarrB +C+D , the initial pressure was P_0 and after time t is was P. Expression of rate constant in terms of P_0 , P and t will be

Answer»

`K=((2.303)/t)LOG ((2P_0)/(3P_0-P))`
`k=((2.303)/t)log ((2P_0)/(P_0-P))`
`k=((2.303)/t)log ((2P_0)/(3P_0-2P))`
`k=((2.303)/t)log ((2P_0)/(3P_0-P))`

SOLUTION :
`a PROP P_0`
`(a+2x) PROPP`
`a/(a+2x)=P_0/P`
`(a-x)=a-((P-P_0_a)/P_0)`
`(a-x)=a{(3P_0-P)/(2P_0)}`
`k=((2.303)/t) log (a/(a{(3P_0-P)/(2P_0)}))`
`k=((2.303)/t)log((2P_0)/(3P_0-P))`


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