Transcription of CONFORMATIONAL ANALYSIS – PRACTICE EXERCISES
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CONFORMATIONAL ANALYSIS – PRACTICE EXERCISES
CONFORMATIONAL ANALYSIS PRACTICE EXERCISES1) Draw a newman projection of the most stable conformation of ) The structures below are:HHHHCH3CH3 HCH3 HHHCH3A) not ) CONFORMATIONAL ) cis-trans ) structural ) both B and D3) Define the term ) View a butane molecule along the C2-C3 bond and provide a newman projection of the lowest ) Provide a representation of the gauche conformer of ) Among the butane conformers, which occur at energy minima on a graph of potential energy versusdihedral angle?A) gauche onlyB) eclipsed and totally eclipsedC) gauche and antiD) eclipsed onlyE) anti only7) Which of the following cycloalkanes exhibits the greatest molar heat of combustion per CH2 group?
1) Draw a Newman projection of the most stable conformation of 2-methylpropane. 2) The structures below are: H H H H CH3 CH3 H H CH3 H H CH3 A) not isomers. B) conformational isomers. C) cis-trans isomers. D) structural isomers. E) both B …
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