Carefully Examine the Following Reaction Sequence for the Catalytic Formation $\mathrm { O } _ { 2 }$

Multiple Choice

Carefully examine the following reaction sequence for the catalytic formation of ozone,O₃,from molecular oxygen, $\mathrm { O } _ { 2 }$ .Which chemical compound is behaving as the catalyst? $\mathrm { O } _ { 2 }$ + 2 NO ? 2 N $\mathrm { O } _ { 2 }$ 2 N $\mathrm { O } _ { 2 }$ ? 2 NO + 2 O 2 O + 2 $\mathrm { O } _ { 2 }$ ? 2 $\mathrm { O } _ { 3 }$

A) nitrogen monoxide,NO
B) nitrogen dioxide,N $\mathrm { O } _ { 2 }$
C) oxygen, $\mathrm { O } _ { 2 }$
D) atomic oxygen,O