Carbon Tetrachloride Reacts at High Temperatures with Oxygen to Produce

question 52

Multiple Choice

Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine. CCl₄(g) + ½O₂(g) COCl₂(g) + Cl₂(g) , K_c = 4.4 × 10⁹ at 1000 K
What is K_c for the following reaction?
2CCl₄(g) + O₂(g) 2COCl₂(g) + 2Cl₂(g)

• A) 6.6 × 10⁴
• B) 4.4 × 10⁹
• C) 8.8 × 10⁹
• D) 1.9 × 10¹⁹
• E) 2.3 × 10^-10

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