For which of the following reactions, ΔH will be equal to ΔU?

Chemistry · NEET · NTA Exams — Chemical Thermodynamics

1. H₂(g) + \(\frac{1}{2}\)O₂(g) → H₂O(l)
2. H₂(g) + I₂(g) → 2HI(g)
3. 2NO₂(g) → N₂O₄(g)
4. 4NO₂(g) + O₂(g) → 2N₂O₅(g)

Answer

(B) H 2 (g) + I 2 (g) → 2HI(g)

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