A. Chlorine released from chlorofluorocarbons (CFCs) reacts with ozone in the at

Question

A. Chlorine released from chlorofluorocarbons (CFCs) reacts with ozone in the atmosphere to form oxygen. The proposed reactions are

Cl(g)+O3(g)ClO(g)+O2(g)

ClO(g)+O(g)Cl(g)+O2(g)

Identify the species that acts as a catalyst and the one that acts as an intermediate in these reactions.

Catalyst, imtermediate = ______________________ Express your answers as chemical formulas separated by a comma.

B. Complete the catalytic destruction reaction of ozone when it reacts with a catalyst. Reaction 3 is the net overall reaction when reactions 1 and 2 are added.

Explanation / Answer

A) catalyst = Cl

    intermediate = ClO

B)

1a) O3

1b) O2

2a) O

2b) O2

3a) O3

3b) 2O2

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