MCQ
Gibb’s free enrgy $(G)$ is defined as
- ✓$\Delta G = \Delta H - T\Delta S$
- B$\Delta G = \Delta H + \frac{T}{{\Delta S}}$
- C$\Delta H = \Delta G - T\Delta S$
- D$\Delta G = \Delta H + T.{C_p}$
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$X \rightleftharpoons 2Y$ and $Z \rightleftharpoons P + Q,$
respectively are in the ratio of $1 : 4.$ If the degree of dissociation of $X$ is $2$ times that of $Z,$ then the ratio of total pressure $(P_1 : P_2)$ at these equilibria is : (Assume degree of dissociation for both reactions are very very small)
$3 s^{2}$; $3 s^{2} 3 p^{1}$; $3 s ^{2} 3 p ^{3}$; $3 s^{2} 3 p^{4}$
The correct order of first ionization enthalpy for them is.