The following reaction mechanism has been proposed for the gas-phase reaction of CHC13 and Cl₂: k₁ Cl2(g) = 2 Cl(g) Step 1 (fast equilibrium): k.1 Step 2 (slow): Cl(g) + CHCl3(g) k3 k₂ HCl(g) + CC13(g) Step 3 (fast): Cl(g) + CCl3(g) CCl4(g) A. Write the balanced chemical equation for the overall reaction. B. Identify the intermediate/s in the mechanism.

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