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20 Cards in this Set
- Front
- Back
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The major type of reactions that alkanes undergo is: |
free radical addition reactions. |
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Which of the following is the initiation step for the monobromination of cyclohexane? |
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Which of the following is the rate-determining step for the monobromination of cyclohexane? |
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How many products are formed from the monochlorination of ethylcyclohexane? Ignore stereoisomers. |
6 |
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How many dichlorinated products, including stereoisomers, can be isolated when(S)-2-chlorobutane reacts with Cl2/hv? |
5 |
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The reaction Br2+ CH3Br ---> CH2Br2+ HBr was carried out. Which of the following mechanism steps is both productive and relatively likely to occur? |
Br·+ CH3Br ---> HBr+· CH2Br |
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Which of the following reactions is a termination step in the free radical chlorination of methane? |
· CH3+ Cl· ---> CH3Cl |
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Which of the following is a chain propagation step in the free radical chlorination of methane? |
CH4+ Cl· ---> CH3+ HCl |
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How many distinct dichlorination products can result when isobutane is subjected to free radicalchlorination? |
3 |
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Which of the following is the most stable radical? |
V |
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What is the major product of the following reaction? |
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Which of the following is not an intermediate or product in the reaction of |
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Identify the hydrogen that will react the fastest in a radical halogenation reaction. |
hydrogen 5 |
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Rank the free radicals (I-III) shown below in order of decreasing stability (ie, from most stable to least stable). |
II > III > I |
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Which of the halogens below undergoes free radical halogenation with ethane most rapidly? |
fluorine |
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In the free radical chlorination of ethane, the step in which the Cl radical abstracts a H atom from ethane is ________ and the transition state most closely resembles ________. |
exothermic, the reactants |
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What is the major product of the following reaction? |
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What is the major product of the following reaction? |
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When (R)-2-bromobutane reacts with Cl2/hv, which of the following is true? |
I and II are formed in unequal amounts. |
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Calculate the percentage of 1-chloro-3,4-dimethylheptane formed in the following reaction. |
6.70 |
