According to the mass action law, velocity of process 2SO2 (g) + O2 (g) = 2SO3 (g) is expressed as:

Answer options

1. [2SO2] x [O2]
2. k [SO2] + [O2]
3. [SO2] 2 + [O2]
4. k [SO2] 2 x [O2]
5. k [SO2] x [O2]

Correct answer

k [SO2] 2 x [O2]

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