What would be the ∆rH⁰ for the reverse reaction NO₂(g) → NO(g) + ½O₂(g)? - THERMODYNAMICS Quiz | GKFix.in

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Question

What would be the ∆rH⁰ for the reverse reaction NO₂(g) → NO(g) + ½O₂(g)?

A. +74 kJ mol⁻¹
B. -74 kJ mol⁻¹
C. 0 kJ mol⁻¹
D. +148 kJ mol⁻¹