Question #1:  Classify the following step from a free radical chain mechanism:

propagation step
initiation step
termination step
all of the above
none of the above


Question #2: Classify the following step from a free radical chain mechanism:

termination step
propagation step
initiation step
all of the above
none of the above


Question #3: Classify the following step from a free radical chain mechanism:

initiation step
propagation step
termination step
all of the above
none of the above


Question #4: Which of the following reactive intermediates are sp3 hybridized?

    1.  carbanion
    2.  singlet carbene
    3.  carbocation
    4.  alkyl radical

only 1
1 and 2
1, 2, and 4
3 and 4
2, 3, and 4


Question #5:   Which of the following statements are true?

1.  Transition state complexes can be detected by certain laboratory instruments.
2.  Transition state complexes exist at localized energy minima on the reaction energy graph.
3.  Highly endothermic reactions have late transition states.
4.  Early transitions states are more "reactant-like". 

Only 3
1 and 2
2 and 3
3 and 4
1, 3, and 4


Question #6: Which of the following reactive intermediates are positively charged?

    1.  carbanion
    2.  singlet carbene
    3.  carbocation
    4.  alkyl radical

1 and 3
2, 3, and 4
2 and 4
3
none of the above


Question #7:  Classify the following step from a free radical chain mechanism:

termination step
propagation step
initiation step
all of the above
none of the above


Question #8:  Which of the following reactive intermediates are negatively charged?

    1.  carbanion
    2.  singlet carbene
    3.  carbocation
    4.  alkyl radical

only 1
1 and 2
1, 2, and 4
2, 3, and 4
only 4


Question #9: Reaction intermediates that have an unpaired electron are called:

anions
cations
radicals
carbocations
carbanions


Question #10: Which of the following reactive intermediates are sp2 hybridized?

    1.  carbanion
    2.  singlet carbene
    3.  carbocation
    4.  alkyl radical

only 3
1, 2, and 3
3 and 4
2 and 4
2, 3, and 4


Question #11: Classify the following reaction:

addition reaction
elimination reaction
substitution reaction
rearrangement reaction
none of the above


Question #12: Classify the following reaction:

addition reaction
elimination reaction
substitution reaction
rearrangement reaction
none of the above


Question #13: Classify the following reaction:

addition reaction
elimination reaction
substitution reaction
rearrangement reaction
none of the above


Question #14: Classify the following reaction:

addition reaction
elimination reaction
substitution reaction
rearrangement reaction
none of the above


Question #15: Classify the following reaction:
 

addition reaction
elimination reaction
substitution reaction
rearrangement reaction
none of the above