Self-Test 1.3A  [ENDORSED]

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Athena Dong 2A
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Joined: Sat Jul 09, 2016 3:00 am

Self-Test 1.3A

Postby Athena Dong 2A » Sat Mar 04, 2017 11:25 pm

For part (b) of self-test 1.3A, why is the answer 2,3-Dimethylhexane? I'm not sure if I'm reading it incorrectly, but it seems like there's only one substituent attached to the 2nd carbon ( starting from the right ).

Thank you~!

Anmol Dhaliwal 2C
Posts: 25
Joined: Wed Sep 21, 2016 2:57 pm

Re: Self-Test 1.3A  [ENDORSED]

Postby Anmol Dhaliwal 2C » Sat Mar 04, 2017 11:46 pm

You would get the longest chain for that is a hexane and then there are two methyl substituents (the ones at the top branching off). I believe that is what is giving it the name 2,3-dimethlyhexane because you are trying to get the biggest counting chain meaning if you count the branch off of the 2nd carbon (and don't count it as a substituent) you get hexane. Then, that gives you a dimethly subsituent on the 3rd carbon thus giving you the name of 2,3-dimethlyhexane. Hope I was able to explain this well!

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