WBJEE · Chemistry · Thermodynamics (C)
For the equilibrium, \(\mathrm{H}_{2} \mathrm{O}(l) \rightleftharpoons \mathrm{H}_{2} \mathrm{O}(\mathrm{v}),\) which of the following is correct?
- A \(\Delta G=0, \Delta H < 0, \Delta S < 0\)
- B \(\Delta G < a \Delta H>a, \Delta S>0\)
- C \(\Delta G>0, \Delta H=0, \Delta S>0\)
- D \(\Delta G=0, \Delta H>0, \Delta S>0\)
Answer & Solution
Correct Answer
(D) \(\Delta G=0, \Delta H>0, \Delta S>0\)
Step-by-step Solution
Detailed explanation
For the given relation \(\mathrm{H}_{2} \mathrm{O}(t) \rightleftharpoons \mathrm{H}_{2} \mathrm{O}(\eta)\) (i) At equilibrium \(\Delta G=0\) (ii) Entropy change, i.e. \(\Delta S\) is the measurement of randomness. It increases in vapour-state, i.e. \(\quad \Delta S=(+)\) ve or…
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