anonymous
  • anonymous
for 5-(1,2-dimethylpropyl)-3,7-diethyl-2-methyldecane why does dimethylpropyl come before the other two, arent you suppose to not include the di's when alphabetizing in order??
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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abb0t
  • abb0t
They are in parenthesis. Two i-butanes are on C5.
anonymous
  • anonymous
i dont understand?
anonymous
  • anonymous
same thing for : 4-(1,1-dimethylethyl)-6-ethyl-2,3,5-trimethylocatane i can name all others in order but for some reason these arent making sense like i thought you take off the di^ so then ethyl should come before methylethyl, then methylocatane

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abb0t
  • abb0t
It means that is is not part of the main carbon chain.
anonymous
  • anonymous
oh so when do i know to put them in order then when im alphabetizing everything else during nomenclature?
abb0t
  • abb0t
It's like CH\(_3\)CH\(_2\)CH\(_2\)(CH\(_3\))\(_2\)CH\(_2\)CH\(_2\)CH\(_3\)
anonymous
  • anonymous
for example: 4,7-diethyl-2,3,5-trimethyl-6-(1-methylpropyl)decane this makes sense, (di) ethyl first, then (tri) methyl, then methylpropyl, <<< follows the alphabetizing order
anonymous
  • anonymous
|dw:1378266780169:dw|
anonymous
  • anonymous
4-(1,1-dimethylethyl)-6-ethyl-2,3,5-trimethylocatane
anonymous
  • anonymous
that is that, but i dont know how to know why i put dimethylethyl first :(?
abb0t
  • abb0t
Are you having trouble drawing or naming?
anonymous
  • anonymous
i look at pic, and have to name it, i can name all things, im having trouble understanding why 4-(1,1-dimethylethyl) is in front of ethyl in the order
anonymous
  • anonymous
having trouble with putting the parts in correct order aka- i dont get why 4-(1,1-dimethylethyl) is first in order of 4-(1,1-dimethylethyl)-6-ethyl-2,3,5-trimethylocatane
abb0t
  • abb0t
You name it giving it lowest number priority.
anonymous
  • anonymous
whats that mean? 6-(1-ethylpropyl)-2-methyl-5-(2-methylpropyl)decane hows that lowest number priority? isnt that alphabetical, 1. ethylpropyl 2. methyl 3.methylprop
anonymous
  • anonymous
@abb0t
abb0t
  • abb0t
There are actually more than 1 ways to name a molecule :-)
jazztiger201
  • jazztiger201
the reason it comes first is because the rule for naming is based upon the alphabetical priority going from A to Z they are simply in parentheses to make it easier to read.

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