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A(g) rarr 2B(g)+C(g) Initially at t=0 ...

`A(g) rarr 2B(g)+C(g)`
Initially at t=0 gas A was present with some amount of gas 'C' At t=0 mole fraction of gas C is `1/3` After some time `t=t_(1)` total pressure is half of the final total pressure at `t=t_(x)` (a very long time) Assume this decomposition is a first order, at a constant temperature It is also given at `t=t_(x)` final total pressure is 35 bar.
At `t=t_(1)` pressure of gas B is:

A

`2.5` bar

B

`1.25` bar

C

`5.0` bar

D

data is insufficient

Text Solution

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The correct Answer is:
A
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