chm231f07ws1 - Chemistry 231-1 Optional Worksheet 1 Name...

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Chemistry 231-1: Optional Worksheet 1 Name: ______________________________________ 1) (2 pts) Draw one valid Lewis structure for each of the following: CH 2 N 2 C H H N N HCO 2 - C H O O 2) (2 pts) Assign formal charges to the N and O atom in the given species. All lone pairs have been drawn. N H 3 C CH 3 C H 3 C CH 3 OH 3) (2 pts) Add curved arrows to show how the first resonance structure can be converted to the second. C H 3 C H N H CH 3 C H 3 C H N H CH 3 CH 2 CH 2 4) (2 pts) Provide the correct molecular formula for each structure shown Structure Molecular formula OH HO Estradiol (a female sex hormone) C 18 H 24 O 2 OH N H N H OH Ethambutol (tuberculosis drug) C 10 H 24 N 2 O 2
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5) (2 pts) State whether the following pairs are resonance structures ( R ), constitutional isomers (
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Unformatted text preview: C ) or neither ( N ). O H 3 C CH 2 CH 3 and C CH 3 H 3 C H OH CH CH CH 3 H 2 C and CH H 2 C CH CH 3 C R 6) (2 pts) Consider the following acid-base reactions equations: a) Draw curved arrow on the left sides of the following reaction equations to show the breaking and formation of bonds. b) Predict whether the left ( L ) or right ( R ) sides of the following equations will be favored at equilibrium: C H C H NH 2 C H C H NH 2 R 25 38 Cl O H O H Cl L 16-7 7) (3 pts) Which three functional groups are present in the molecule given below? Aldehyde Ether Ester...
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