Question

5. For the parallel elementary reactions: AB & AC The following graph is obtained from experiments: 0.0014 0.00165 0.0019 0.00215 0.0024 0.00265 0.0029 0.00315 1 (K) the smallest When only A is present at the beginning, at what temperature will A) 350 K B) 500 K C) 600 K D) 650 K E) 625 K

Answer 1

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classmate Date Page Đa kB y B A ke e - from the given plot it can be to the line inereases il / 1 KB ratio decreases increases seen that decreases. LAT = = 0.00215 T /0.00215=465.11 K KBake ?B]2[0]. Now with the decrease of Tie with increane of T KB/kc natio decreases. At 7 2 0.003154 T= 1/6.00315 ameyek_ = 314.4K KB/RC is lower. Tuns [B]/[ ]] is smallest This among the option at (a) 350 K [B] will be smaller Tec Scanned with CamScanner