Question

For the reaction $2SO_2 + O_2$ (excess) $\rightarrow\, 2SO_3$ the order of reaction with respect to $O_2$ is

• A. zero
• B. one
• C. two
• D. three

Answer 1

Answer: (A)

zero

Answer 2

The order of reaction with respect to the species, which is excess in reaction, is zero.