1.

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 :

Answer»

<P>`K=(2.303)/(t)"LOG"(p_(i))/(2p_(i)-x)`
`k=(2.303)/(t)"log"(p_(i))/(2p_(i)-p_(t))`
`k=(2.303)/(t)"log"(p_(i))/(2p_(i)+p_(t))`
`k=(2.303)/(t)"log"(p_(i))/(p_(i)+x)`

ANSWER :B


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