Predicting Reactants Key

Predicting Reactants Key - Predicting Reactants Key...

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J.P. Harris PCC Predicting Reactants Key Directions: For the following reactions, draw all of the possible structures for the missing reactant. (Do not worry about the cis-/trans- isomers.) 1. ? + 6 O 2 4 CO 2 + 4 H 2 O This is a combustion reaction. The reactant must have the formula C 4 H 8 or it could be 2 C 2 H 4 . Here are the possible structures: CH 2 CHCH 2 CH 3 CH 3 CH CHCH 3 CH 2 CCH 3 CH 3 2 CH 2 CH 2 2. HC CH 3 H C CH 3 Br C CH 3 H H ? + HBr This is an addition reaction. There are 3 ways to remove HBr from the product structure. Two of these ways are unique. CH 3 C CH 3 C CH 3 H H CH 3 H C CH 3 C CH 3 H 3-methyl-2-pentene 3-methyl-2-pentene = CH 3 H C CH 2 C CH 3 H H 2-ethyl-1-butene
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J.P. Harris PCC 3. CH 3 C CH 3 H C CH 3 OH C CH 3 H H ? + H 2 O H 2 SO 4 This is an addition reaction. There are 3 ways to remove H 2 O from the product structure. All three ways are unique; however, only 2 of the answers would produce the desired product exclusively (Markovnikov’s
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This note was uploaded on 12/05/2010 for the course CHM 239 taught by Professor Arney during the Spring '10 term at Sam Houston State University.

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Predicting Reactants Key - Predicting Reactants Key...

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