TBR Orgo, p96

[pfaction]

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How many structural isomers are possibl for the formula C4H9Cl
3/4/5/6

I found 5. TBR says 4.
Theirs:
C-C-C-C
^ ^ = 2
....v=4
C-C-C <-=3
...C

Am I wrong, or can there be one more on the bottom carbon for a total of 5? I can MSPaint their structures and my structures if needed.

 

[ipodtouch]

C-C-C <-=3
...C
....^5


If this is what you are talking about, 3 and 5 are completely identical isomers.

 

[MedPR]

That's the only 4. All other variations are identical to one of those.

 

[MedPR]

It's an extra step, but name them if you can't see that they are the same.

 

[pfaction]

You're right, I just realized it's isopropyl in the shower, so it's only 4. My bad guys!