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Consider a first order gas phase decompo...

Consider a first order gas phase decomposition reaction given below: `A(g) rarr B(g)+C(g)` The initial pressure of the system before decomposition of A was `p_i`. After lapse of time t, total pressure of the system increased by x units and became `p_t`. The rate constant k for the reaction is given as.

A

` k= (2.303)/t Iog (p_i)/(pi-x)`

B

`k=((2.303)/t) log (p_i)/(2p_i-p_t)`

C

`k=(2.303)\t log (p_i)/(p_i-p_t)`

D

`k=(2.303)\t log (p_i)/(p_i+x)`

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