All the following steps need to be followed when naming alkanes, except
A. beginning numbering at the end farther from the first branch.
B. locating the longest carbon chain.
C. using prefixes to designate identical branches.
D. placing the name in alphabetic order ignoring the added prefixes.

Respuesta :

A.

Begin numbering at the end closest to the first branch, not the farthest.  

Answer is: A. beginning numbering at the end farther from the first branch.

Steps need to be followed when naming alkanes:

1) locating the longest, most substituted carbon chain.

2) beginning numbering at the end closest from the first branch, carbon bonded to a functional group must have the lowest possible carbon number.

3) placing the name in alphabetic order ignoring the added prefixes, substitutes (branches) or functional groups are written in alphabetical order.

4) using prefixes to designate identical branches.

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