Kinetics Module 4

Course Name:  Chemistry
Course No.132 NT
Teacher:  Bill Cook
Teacher's Email:  bcook@icc.edu

No. of Questions= 3


1.  Methyl Chloride, CH3Cl, reacts in a basic solution to give methanol.

CH3Cl + OH-1  ®  CH3OH + Cl-1

This reaction is believed to occur in a single step. If so, what should be the rate law?

a) Rate = k [CH3Cl]2[OH-1]
b) Rate = k [CH3Cl][OH-1]
c) Rate = k [CH3Cl][OH-1]2
d) Rate = k [CH3OH][Cl-1]
e) Rate = k [CH3Cl][CH3OH]
2.  Given the following mechanism,

                                2 NO wpe2.jpg (896 bytes) N2O2                      (fast equilibrium)

                                N2O2 + H2 ®  H2O + N2O        (slow)

                                N2O + H2 ®  H2O + N2                (fast)

What is the overall reaction?
a) 2 NO + 2 H2 ®  2 H2O + N2
b) N2O2 + H2 ®  H2O
c) N2O + H2 ®  H2O + N2
d) 2 NO ®  N2O2
e) none of these
3.  What is the Rate Law for the overall reaction in Problem #2?
a) Rate = k' [N2O2] [H2]
b) Rate = k' [NO]2[H2]
c) Rate = k' [NO]2
d) Rate = k' [N2O][H2]
e) Rate = k' [NO]2[H2]2



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