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Tutorial%201A - CHEM 281 Tutorial Problem Set No. 1 ANSWERS...

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CHEM 281 Tutorial Problem Set No. 1 ANSWERS 1. Please draw the Lewis structures for the following compounds (identify atoms that are charged). For B, C, N, and O indicate whether these atoms are sp 3 , sp 2 or sp. _ BH 3 CO 2 CH 3 COOH CH 3 COCH 2 CO CH 3 CHO CH 3 OH 2 + NH 3 CH 2 COO 2. Draw stick structures for the following compounds: CH 3 CH 2 CH 2 COOH (CH 3 ) 3 CCH 2 OH CH 3 CH 2 CHCHCH 2 CH 3 NH 2 CH 2 CH 2 OCH 2 CH 2 CH 3 B H H H BH 3 = C O O CO 2 = CH 3 COOH = C H C H H O O H C H C H H C O H H CH 3 COCH 2 - = CO = C O CH 3 CHO = C H C H H O H CH 3 OH 2 + = C H O H H H H C C H H O O N H H H NH 3 CH 2 COO = sp 3 sp 3 sp 2 sp 2 sp 2 sp 2 sp 2 sp sp 2 sp 3 sp 3 sp 2 sp sp sp 2 sp 3 sp 2 sp 3 sp 3 sp 2 sp 3 sp 3 sp 3 OH O OH H 2 N O
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3. Indicate the hybridization of B, C, N or O in each of the following structures: SEE HANDOUT No.1 4. In the following structures, which C-H bonds will be shortest, which will be strongest? Why? C C H H H H H H C C H H H H C C H H The bond lengths in hydrocarbons are affected by the hybridization of the carbon atom involved in the bond. Since sp carbons have more s character (50%) than sp
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This note was uploaded on 11/13/2011 for the course CHEM 281 taught by Professor Williams during the Spring '11 term at Simon Fraser.

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Tutorial%201A - CHEM 281 Tutorial Problem Set No. 1 ANSWERS...

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