X, + Y, - X,Y, rate = K[X,] A reaction and its experimentally determined rate law are represented above. A chemist proposes two different possible mechanisms for the reaction, which are given below. Mechanism 2 X, → 2 X (slow) X + Y2 → XY + Y (fast) X + XY, - X,Y, (fast) X+ XY -- X,Y (fast) Mechanism 1 X, - 2 X (slow) X + Y, - XY, (fast) X,Y + Y - X,Y, (fast) Based on the information above, which of the following is true? Both mechanism 1 and mechanism 2 are consistent with the rate law. B Only mechanism 2 is consistent with the rate law. Only mechanism 1 is consistent with the rate law. Neither mechanism 1 nor mechanism 2 is consistent with the rate law.

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X, + Y2 - X,Y2
rate = K[X,]
A reaction and its experimentally determined rate law are represented above. A chemist proposes
two different possible mechanisms for the reaction, which are given below.
Mechanism 1
X, - 2 X (slow)
X + Y, - XY, (fast)
Mechanism 2
X, -- 2 X (slow)
X + Y2 + XY + Y (fast)
X + XY, - X,Y, (fast) X+ XY -- X,Y (fast)
X,Y + Y → X,Y, (fast)
Based on the information above, which of the following is true?
Both mechanism 1 and mechanism 2 are consistent with the rate law.
Only mechanism 2 is consistent with the rate law.
Only mechanism 1 is consistent with the rate law.
Neither mechanism 1 nor mechanism 2 is consistent with the rate law.
Transcribed Image Text:X, + Y2 - X,Y2 rate = K[X,] A reaction and its experimentally determined rate law are represented above. A chemist proposes two different possible mechanisms for the reaction, which are given below. Mechanism 1 X, - 2 X (slow) X + Y, - XY, (fast) Mechanism 2 X, -- 2 X (slow) X + Y2 + XY + Y (fast) X + XY, - X,Y, (fast) X+ XY -- X,Y (fast) X,Y + Y → X,Y, (fast) Based on the information above, which of the following is true? Both mechanism 1 and mechanism 2 are consistent with the rate law. Only mechanism 2 is consistent with the rate law. Only mechanism 1 is consistent with the rate law. Neither mechanism 1 nor mechanism 2 is consistent with the rate law.
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