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 done during these processes in random order:
Column $I$Column $II$
$(p)$ isobaric$(x)$ $\frac{PV(1 - 2^{1 - \gamma})}{\gamma - 1}$
$(q)$ isothermal$(y)$ $PV$
$(r)$ adiabatic$(z)$ $PV \ln 2$

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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