Sample Exercise 14.11 Practice Exercise 1 with feedback Mastering Chemistry And Reaction Mechanisms?

Using the data, which of the following is the rate constant for the rearrangement of methyl isonitrile at 320 ∘C? (HINT: the activation energy for this reaction is 160 kJ/mol) T(K) 1/T(K−1) ln k 462.9 2.160×10−3 -10.589 472.1 2.118×10−3 -9.855 503.5 1.986×10−3 -7.370 524.4 1.907×10−3 -5.757 A.... show more Using the data, which of the following is the rate constant for the rearrangement of methyl isonitrile at 320 ∘C? (HINT: the activation energy for this reaction is 160 kJ/mol)
T(K) 1/T(K−1) ln k
462.9 2.160×10−3 -10.589
472.1 2.118×10−3 -9.855
503.5 1.986×10−3 -7.370
524.4 1.907×10−3 -5.757

A. 8.1×10−15 s−1
B. 2.2×10−13 s−1
C. 2.7×10−9 s−1
D. 2.0×10−1 s−1 <---- This is the answer
E. 9.2×103 s−1

Part B of Reaction Mechanisms:

Consider the reaction
2XY+Z2⇌2XYZ
which has a rate law of
rate= k[XY][Z2]
Select a possible mechanism for the reaction.

ANSWER: Step1:Step2:XY+Z2→XYZ+Z (slow) XY+Z→XYZ (fast)
2 answers 2