A Three-Step Mechanism Has Been Suggested for the Formation of COCl₂

question 44

Multiple Choice

A three-step mechanism has been suggested for the formation of COCl₂: Step 1: Cl₂ → 2 Cl
Step 2: Cl + CO → COCl
Step 3: COCl + Cl₂ → COCl₂ + Cl
Which species is an intermediate in the mechanism?

• A)Cl
• B)CO
• C)COCl
• D)COCl₂

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