Old Test

Old Test - EXAM 1 1 Which of the following is the strongest...

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EXAM 1 February 24, 2010 1. Which of the following is the strongest acid? 2. Which of the following is the weakest base? 3. Which of the following molecules has the lowest boiling point? 4. Which of the following molecules has the largest bond angle around the central atom? 5. Which of the following has a net dipole moment of zero? 6. Which of the following molecules is a Lewis acid? 7. From the Lewis structures given below, select the only valid representation of CH 3 N 3 .
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8. Which of the following structure depicts the most stable conformation of cis -1-isopropyl-3-methyl-cyclohexane? 9. Which of the following structures is 2-isopropyl-5-methyl-cycloyhexanol? 10. Which one is the correct IUPAC name for the following compound? (A) 6-chloro-3-isopropyl- N -methyl-7-heptamine (B) 2-chloro-5-isopropyl- N -methyl-heptamine (C) 2-chloro-5-ethyl- N ,6-dimethyl-heptamine (D) 3-chloro-6-isopropyl- N -methyl-heptamine (E) 3-chloro-6-ethyl- N ,7-dimethyl-heptamine II. Fill in the box with the correct answer that best describe the relationship of the following pairs of molecules (12 pt). (A) Constitutional isomers (B) Conformers (C) Stereoisomers (D) Identical structures (E) Unrelated
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III. (a) Draw the bond-line structures of all five constitutional isomers of hexane (C 6 H 14 ) (5pt). (b) Draw the bond-line structures of all four possible cyclic constitutional isomers whose molecular formulas are C 5 H 10 (3pt).
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IV. For simplicity, lone-pair electrons are often left out in the bond-line structure of a molecule. (a) Fill in the lone-pair electrons where needed in the given structure. (b) Write down the correct orbital hybridization of the arrow-pointed atoms in the boxes given below (14 pt): atom 1 2 3 4 5 6 7 8 9 10 hybridization V.
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The following bond-line structure depicts 1-chloro-propane. Complete the following Newman projections looking down 1 and 2 C-C bond (6 pt): I) The most stable staggered conformation II ) The least stable eclipsed conformation of 1-chloro-propane. of 1-chloro-propane VI. (a) Complete the Lewis structures of the following uncharged
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This note was uploaded on 06/13/2011 for the course CHEM 2261 taught by Professor Crowe during the Fall '08 term at LSU.

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Old Test - EXAM 1 1 Which of the following is the strongest...

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