Ozone in the stratosphere can be depleted by chlorine species via the following…

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

Ozone in the stratosphere can be depleted by chlorine species via the following two-step mechanism. Step 1 Cl

^-

+ O

_3

→ ClO + O

_2

Step 2 ClO + O → Cl

^-

+ O

_2

Nitrogen gas is present as an inert diluent. Which species functions as the catalyst in this mechanism? (a)

\mathrm{ClO}

(b)

\mathrm{O_3}

(c)

\mathrm{Cl^-}

(d)

\mathrm{O_2}