Exam1 FS07 Blank - 1. (20 pts) (a) (3 pts each) Form...

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2 1. (20 pts) (a) (3 pts each) Form acceptable Lewis structures for the following uncharged compounds by adding the necessary nonbonding electrons and multiple bonds: N C O H H H Formamide O C O Carbon Dioxide (b) (3 pts each) Assign formal charges as necessary to the atoms in the following Lewis structures. O C O H Bicarbonate Glycine (an amino acid) C C O H N H H H H (c) (4 pts) A full description of bicarbonate (above) requires two main resonance structures. The one you completed was one; draw the other one: (d) (4 pts) Shown below is another commonly published representation of Glycine. Is this a valid resonance structure of the version in (b)? Please circle your answer and explain. Yes No C C O O H N H H H H Explanation:
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3 2. (20 pts) Consider the five Newman projections below. H CH 3 H H 3 C H H 3 C H 3 C H H H 3 C H H 3 C H 3 C H H H 3 C H H 3 C H CH 3 H H 3 C H H 3 C A B C D E H H H H 3 C CH 3 H 3 C (a) (2 pts) All of these diagrams depict compounds of formula _____________ . (b) (4 pts) Structure ____ represents a compound different from the other four. This compound’s IUPAC name is _________________________________. (c) (2 pts) The other four depict (IUPAC name):_______________________________. Of the four in (c),… (d) (2 pts) …which two structures represent staggered conformations? _____ and _____.
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Exam1 FS07 Blank - 1. (20 pts) (a) (3 pts each) Form...

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