IUPAC naming

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  • #1
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IUPAC naming!!!

Hey folks,
I just wonder how would you name this compound
CH3CHBrCH2ClCH2
is it 3- Bromo -1- chloro butane
or 2- bromo 4- chloro butane
another question : does CH3OCH3 form a hydrogene bond or not?
Any help would be greatly appreciated
 

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  • #2
siddharth
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You need to show your work.

What do you think the answers are and why?
 
  • #3
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well actaually i did the work ... and i am confused between the answers that i wrote ... wut i did is numbered the carbon atoms ... well i can number them in two different ways ..one where i will get the bromo on the 2nd atom and the chloro on the forth atom , and the other way is to number them where the bromo on the 3rd atom and the chloro on the first .. my question is which of numbering is correct .. ?
 
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?????
?????
 
  • #5
siddharth
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If I remember correctly, The nomenclature in which the functional groups get the lowest sum is to be used. Also, you should follow alphabetical order while naming them.
I am not too sure on this, so if I can get conformation, it would be nice.
 
  • #6
forevergone
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I don't know if its a bit late but think about it.

IUPAC names it in alpha order and to the lowest sum.

Your compound looks like this:
| | | |
-C-C-C-C-
| | | |
Br Cl

Which would you think it looks like? From my perspective, it looks 3-bromo-1-chlorobutane.
 

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