An ideal gas at pressure $P$ and volume $V$ is expanded to volume$ 2V.$ Column $I$ represents the thermodynamic processes used during expansion. Column $II$ represents the work during these processes in the random order.:

Column $I$ Column $II$
 $(p)$ isobaric $(x)$ $\frac{{PV(1 - {2^{1 - \gamma }})}}{{\gamma  - 1}}$
$(q)$ isothermal $(y)$ $PV$
$(r)$ adiabatic (z) $PV\,\iota n\,2$

The correct matching of column $I$ and column $II$ is given by 

  • A$p-y, q-z, r-x$
  • B$p-y, q-x, r-z$
  • C$p-x, q-y, r-z$
  • D$p-z, q-y, r-x$
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