Author Question: For the reaction X2 + Y + Z XY + XZ, it is found that the rate equation is rate = k [X2][Y]. Why ... (Read 36 times)

yagurl · **on:** Nov 5, 2023

Question 1

For the reaction whose rate law is rate = k[X], a plot of which of the following is a straight line?
◦ [X] versus time
◦ ln [X] versus time
◦ 1/[X] versus time
◦ [X] versus 1/time
◦ ln [X] versus 1/time

Question 2

For the reaction X₂ + Y + Z → XY + XZ, it is found that the rate equation is rate = k [X₂][Y]. Why does the concentration of Z have no effect on the rate?
◦ The concentration of Z is very small and the others are very large.
◦ Z must react in a step after the rate determining step.
◦ Z is an intermediate.
◦ The fraction of molecules of Z that have very high energies is zero.
◦ The activation energy for Z to react is very high.

spicyzack · **Reply #1 on:** Nov 5, 2023

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