MCQ
Formulae for Nessler's reagent is:
- A$KHg _2 I _2$
- B$KHgI _3$
- ✓$K _2 Hg _4$
- D$HgI _2$
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$X_2O_4(g) \to 2XO_2(g)$
$\Delta U = 2.1\, kcal, \Delta S = 20\, cal\, K^{-1}$ at $300\, K$.
Hence $\Delta G$ is ....$kcal$