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10 Cards in this Set
- Front
- Back
How many signals appear in the proton-decoupled 13C NMR spectrum of the following compound? |
7 |
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Which of the carbon atoms in the following molecule appears furthest downfield in the 13C NMR spectrum? |
iii |
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Which of the following compounds would give a 1H NMR spectrum consisting of two singlets and a 13C NMR, consisting of three signals? |
Only iii and iv. |
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Predict the splitting pattern in the proton coupled 13C NMR spectrum for the following compound. |
|
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Which of the following is the initiation step for the monobromination of cyclohexane? |
IV |
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How many products are formed from the monochlorination of ethylcyclohexane? Ignore stereoisomers. |
6 |
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Given the bond dissociation energies below (in kcal/mol), estimate the ΔH° for the propagation step. |
-22 kcal/mol |
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Which of the following is a chain propagation step in the free radical chlorination of methane? Which of the following is a chain propagation step in the free radical chlorination of methane? |
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V |
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In the free radical chlorination of ethane, the step in which the CI radical abstracts a H atom from ethane is ______ and the transition state most closely resembles ________. |
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