The following set of gas-phase reactions is expected to occur in an isothermal P

Question

The following set of gas-phase reactions is expected to occur in an isothermal PFR fed a mixture of compounds A and B. A + B rightarrow 2C 3 C rightarrow A + B A + B rightarrow D A + C rightarrow E D + E rightarrow F + G 2C + F rightarrow H + C G + 1/2 C rightarrow I + J What is the net rate of formation of C? rc = 2r1 + r6 rc = r1 minus r2 minus r4 minus r6 minus r7 rc = 2r1 minus 3r2 minus r4 minus 2r6 minus 1/2r7 rc = 2r1 minus 3r2 minus r4 minus r6 minus 1/2r7 rc = kCc rc = 1/2r1 minus 1/3 r2 minus r4 minus 1/2r6 + 2r7

Explanation / Answer

c is formed in the first reaction, decomposed in the second, decomposed in the fourth, decomposed in the 6th and 7th. Net rate = r1-r2-r4-r6-r7 ( b is correct)

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