Consider 1-bromopropane, CH3CH2CH2Br. (a) Draw a Newman projection for the conformation in which -CH3 and -Br are anti (dihedral angle 180°). (b) Draw Newman projections for the conformations in which -CH3 and -Br are gauche (dihedral angles 60° and 300°). (c) Which of these is the lowest energy conformation? (d) Which of these conformations, if any, are related by reflection?

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bluewalrus692Lv1

6 Oct 2020

Consider 1-bromopropane, CH₃CH₂CH₂Br.

(a) Draw a Newman projection for the conformation in which -CH₃ and -Br are anti (dihedral angle 180°).

(b) Draw Newman projections for the conformations in which -CH₃ and -Br are gauche (dihedral angles 60° and 300°).

(c) Which of these is the lowest energy conformation?

(d) Which of these conformations, if any, are related by reflection?

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Amarildo KociajLv10

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