Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine.
CCl4(g) + (1/2)O2(g) <----------> COCl2(g) + Cl2(g), Kc = 4.4 x 10^9 at 1,000 K
Calculate Kc for the reaction 2CCl4(g) + O2(g) <-------> 2COCl2(g) + 2Cl2(g).
A. 4.4 x 10^9
B. 8.8 x 10^9
C. 1.9 x 10^10
D. 1.9 x 10^19
E. 2.3 x10^-10