MCQ
Canonical forms :
- AHave real existence.
- ✓Have no real existence.
- CAre present in equilibrium.
- DExist in one form for certain fraction of time and to other in remaining time.
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${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(g)$ is $\Delta {H_1}$ and that of
${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l)$ is $\Delta {H_2}$. Then