Assume the Reaction Below
2 NO(g)+ O₂(g) $\to$ 2 NO₂(g)
Proceeds Via the Following Rate Expression:
Which

Multiple Choice

Assume the reaction below
2 NO(g) + O₂(g) $\to$ 2 NO₂(g)
Proceeds via the following rate expression:
Which of the following statements concerning the above chemical reaction and rate equation is/are CORRECT?
1) The reaction is second-order with respect to NO.
2) The rate of disappearance of O₂ is two times the rate of appearance of NO₂.
3) According to the balanced chemical equation,the reaction is fifth-order overall.

A) 1 only
B) 2 only
C) 3 only
D) 1 and 3
E) 2 and 3