prob_01 - Problem Set #1, 5.12 Spring 2003 Due Monday, 2/10...

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Problem Set #1, 5.12 Spring 2003 Due Monday, 2/10 at 4pm 1. Draw out valid Lewis structures (lines or dots) for the following formulas. Circle structures that have ionic bonds. (Show lone pairs and formal charges.) NaHCO 3 [CH 3 CH 2 OCH 2 ] + C 2 H 2 LiN[CH(CH 3 ) 2 ] 2 2. Draw a valid Lewis structure for AlF 3. Would you expect the aluminum atom to be electrophilic or nucleophilic? Why?
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3. You learned in lecture that phenol is more acidic than cyclohexanol because its conjugate base (phenoxide ion) is stabilized by resonance. Strong acids have stable conjugate bases. a) Draw the relevant resonance structures for the conjugate bases of A and B . b) Which would you expect to be more acidic? Why? OH B OH A O 2 N NO 2
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4. Circle the following pairs of structures that do not constitute resonance structures. For the
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 20.410j taught by Professor Rogerd.kamm during the Spring '03 term at MIT.

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prob_01 - Problem Set #1, 5.12 Spring 2003 Due Monday, 2/10...

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