9701/12/F/M/16 Q5

Question

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

Nitric oxide, NO, and bromine vapour react together according to the following equation.
2NO(g) + Br2(g) → 2NOBr(g) ΔHo
= –23 kJ mol–1
The reaction has an activation energy of +5.4 kJ mol–1.
What is the correct reaction pathway diagram for this reaction?

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