Carbon Tetrachloride Reacts at High Temperatures with Oxygen to Produce

question 74

Multiple Choice

Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine. CCl₄(g) + ¹/₂O₂(g) COCl₂(g) + Cl₂(g) , K_c = 4.4 * 10⁹ at 1,000 K
Calculate K_c for the reaction 2CCl₄(g) + O₂(g) 2COCl₂(g) + 2Cl₂(g) .

• A)4.4 * 10⁹
• B)8.8 * 10⁹
• C)1.9 * 10¹⁰
• D)1.9 * 10¹⁹
• E)2.3 * 10^-10

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