E1S10ans - key Multiple Choice CHE326 Exam 1 1 Choose the...

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key CHE326, Exam 1 February 18, 2010 1 Multiple Choice 1. Choose the correct structure for the second product (?) formed in the following reaction. 2. Choose the answer that has the molecular orbitals for the allyl anion (CH 2 =CH CH 2 ٓ ) correctly identified. . . . . . . . . LUMO HOMO bonding A. LUMO HOMO bonding B. LUMO HOMO bonding C. LUMO HOMO bonding D. LUMO HOMO bonding E. 3. Choose the order that has the following compounds correctly arranged with respect to increasing wavelength of light required to induce a π→π * absorption. O α -ionone O β -ionone O dihydro- α -ionone i ii iii A i < ii < iii B i < iii < ii C ii < iii < i D ii < i < iii E iii < i < ii 4. Choose the order that has the following compounds correctly arranged with respect to a S N 1 solvolysis reaction in 50% ethanol. i ii iii A i < ii < iii B i < iii < ii C ii < iii < i D ii < i < iii E iii < i < ii increasing reactivity increasing reactivity increasing reactivity increasing reactivity increasing reactivity Cl Cl Cl
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key CHE326, Exam 1 February 18, 2010 2 5. Choose the structure that would be an intermediate in the following reaction.
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