Q2 / 50 · Manipal (MET) 2024 · Chemistry

The maximum work obtained from a reversible process is given as

  • Correct answer
    A
    $-\Delta A$
  • B
    $\Delta A$
  • C
    $-\Delta G$
  • D
    $\Delta G$

Solution

Decrease in the value of Gibbs energy $(-\Delta G)$ gives the maximum useful work or net work done by the system for the given change whereas decrease in Helmholtz free energy or work function $(-\Delta A)$ gives the maximum work done for the given change.

Hence, the correct answer is option: 'A'.

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