When we name structural isomers, the numbering is done from the left side, then why in bromopentane the numbering is done from right side?
Asked by | 28th Mar, 2013, 11:33: AM
Numbering is done to number the carbons of the parent chain from the end that gives the substituents the lowest numbers. When compairing a series of numbers, the series that is the "lowest" is the one which contains the lowest number at the occasion of the first difference. If two or more side chains are in equivalent positions, assign the lowest number to the one which will come first in the name.
Answered by | 31st Mar, 2013, 06:36: AM
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