What is the total strain energy of 2-methylpropane in an eclipsed conformation? (Use Newman projection formula, sighting along C,-C2 bond; draw an eclipsed conformation). Given the following strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C) H<---> H eclipsed : 4 kJ/mol CH3 <---> H eclipsed: 6 kJ/mol CH3 <----> CH3 eclipsed: 11 kJ/mol CH3 <----> CH3 gauche staggered: 3.8 kJ/mol Select one: A. 18 kJ В. 14 kJ С. 16 kJ D. 7.6 kJ

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter6: Alkanes & Alkenes
Section: Chapter Questions
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HW8

What is the total strain energy of 2-methylpropane in an eclipsed
conformation? (Use Newman projection formula, sighting along C,-C2 bond;
draw an eclipsed conformation).
Given the following strain energies with respect to atoms/groups bonded
to C-C (one atom/group bonded to each C)
H<---> H eclipsed : 4 kJ/mol
CH3 <---> H eclipsed: 6 kJ/mol
CH3 <----> CH3 eclipsed: 11 kJ/mol
CH3 <----> CH3 gauche staggered: 3.8 kJ/mol
Select one:
A. 18 kJ
B. 14 kJ
C. 16 kJ
D. 7.6 kJ
Transcribed Image Text:What is the total strain energy of 2-methylpropane in an eclipsed conformation? (Use Newman projection formula, sighting along C,-C2 bond; draw an eclipsed conformation). Given the following strain energies with respect to atoms/groups bonded to C-C (one atom/group bonded to each C) H<---> H eclipsed : 4 kJ/mol CH3 <---> H eclipsed: 6 kJ/mol CH3 <----> CH3 eclipsed: 11 kJ/mol CH3 <----> CH3 gauche staggered: 3.8 kJ/mol Select one: A. 18 kJ B. 14 kJ C. 16 kJ D. 7.6 kJ
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