109A midterm

109A midterm - 1. (5 minutes, 12 points) Answer the...

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Unformatted text preview: 1. (5 minutes, 12 points) Answer the following: a. Why is the bond angle smaller in NH 3 (107.3) than it is in H 2 O (104.5)? b. Why is H 3 O + a stronger acid than + NH 4 ? c. Why is HBr a stronger acid than HCl? d. What is the hybridization of the indicated atom? CH 3 CCH 3 O CH 3 C N e. Give each of the atoms the appropriate formal change. C H H H C H H H C H H H f. Which of the indicated bonds is longer? C C H H H H C C H H or 2. (5 minutes, 12 points) Answer the following: a. Which bond is more polar? O H N H or b. Which compound has the higher boiling point? CH 3 CHCH 2 CH 3 CH 3 or CH 3 CH 2 CH 2 CH 2 CH 3 c. Is the following compound an E or a Z isomer? C C CH 3 OCH 2 CH 2 CHCH 3 CH 2 CH 2 CH 2 Br CH 3 CH 3 CHCH 2 CH 3 d. Which compound is the stronger acid? or CH 3 CHCH 2 OH F CH 3 CHCH 2 OH Cl e. Which compound is the stronger base? CH 3 CH 2 NH 2 CH 3 CH 2 OH or f. Do the sp 2 carbons and the indicted sp 3 carbons lie in the same plane? CH 3 3. (6 minutes, 22 points) Give a structure for each of the following: a. a secondary amine b. a secondary alcohol c. sec-butyl isobuty ether d. vinyl chloride e. allyl alcohol f. 3-ethylcyclohexanol...
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This test prep was uploaded on 04/09/2008 for the course CHEM 109A taught by Professor Bruice during the Fall '07 term at UCSB.

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109A midterm - 1. (5 minutes, 12 points) Answer the...

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