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15 Cards in this Set
- Front
- Back
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How many elements of unsaturation implied by molecular formula C5H8O?
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2
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How many elements of unsaturation implied by molecular formula C8H11N?
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3.5 --> 4
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what two atomic orbitals or hybrid atomic orbitals overlap to form the C--C (double) sigma bond in ethylene?
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C sp2 + C sp2
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why is rotation about the carbon-carbon double bond in alkenes prohibited while relatively free rotation can occur about the carbon-carbon single bond in alkanes?
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because in a double bond rotation would require breaking one of the bonds, costing a great deal of energy
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Choose the most stable alkene among the following:
hex-1-ene (Z)-hex-2-ene (E)-hex-2-ene all equal |
(E)-hex-2-ene is most stable
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Trans isomers of cycloalkenes with rings containing fewer than _____ atoms are unstable at room temperatures
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8
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the compound produced when 3-methylpent-2-ene undergoes hydrogenation in the presence of a platinum catalyst is
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3-methylpentANE
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provide the reagents necessary for carrying out the transformation of cyclopentANE to cyclopentENE
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Br2, hV; NaOH, acetone
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which of the following statements best describes the relative bond dissociation energies of the sigma and pi bonds present in the carbon-carbon double bond of an alkene?
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sigma > pi
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which of the following best approximates the CCC bond angle of propene
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120 degrees
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which of the following alcohols is (are) likely to yield a product where skeletal arrangement has occurred when treated with sulfuric acid
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both 3,3-dimethyl-2-butanol and 2,2-dimethylcyclohexanol
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dehydrohalogenation of an alkyl halide by treating it with a strong base to yield an alkene product typically occurs by what reaction mechanism?
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E2
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which of the following statements applies to the E2 mechanism?
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the C-H and C-X bonds that break must be anti
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which of the following can show geometric isomerism?
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3,2-dichloro-2-pentene
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provide the name of the major alkene product that results when (2S, 3R)-2-bromo-3-methylpentane is treated with sodium methoxide
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(Z)-3-methyl-2-pentene
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