1.18 Draw Newman projections of four different confor- mations of butane. Rank them in stability. (Hint: Two of the conformations represent the most stable forms and the other two the least stable forms.) 1.19 Draw the structures of cis-2-butene and trans-2-

1.18 Draw Newman projections of four different confor- mations of butane. Rank them in stability. (Hint: Two of the conformations represent the most stable forms and the other two the least stable forms.) 1.19 Draw the structures of cis-2-butene and trans-2-

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

11.18 Draw Newman projections of four different confor-
mations of butane. Rank them in stability. (Hint: Two
of the conformations represent the most stable forms
and the other two the least stable forms.)
11.19 Draw the structures of cis-2-butene and trans-2-

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