Question #c241d

1 Answer
anor277
Dec 9, 2017

Got model set....?

Explanation:

When we draw a Newmann projection, we look DOWN a C-C bond axis..... And in pentane there are 4 such C-C bond axes. So we would have to consider each bond in isolation....where each bears TWO C-H bonds, and the third spoke of the wheel on one carbon is the alkyl residue....

For more details see ...."Newman, M. S. A notation for the study of certain"
"stereochemical problems. "J. Chem. Educ. 1955 , 32 , 344-347.

Your librarian will certainly be able to get this for you.

![Wikimedia.org](useruploads.socratic.org)

Of course this is for butane, not methyl pentane....but it is easier to work and draw from a model.

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