DAT Bootcamp Proton NMR Question

[osker246]

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I'm not sure if this is the right place to post this but I am a bit confused and need to know if I am wrong in my thought process or DAT Bootcamp is wrong in their solution. It's been about 4 years since I've taken organic so I really could use some clarification on it.

Anyways, I understand that the answer is B. But shouldn't the proton marked as "triplet" really be a doublet of a doublet?

 

[Mushibachan]

http://www.chem.ucla.edu/harding/IGOC/D/doublet_of_doublets.html

Also, you're thinking too much into the problem. This is the DAT, not organic I/II 🙂 keep that in mind and don't overthink.. That was the problem I always faced for the sciences too

 

[osker246]

So your saying I should just assume protons are equivalent and use n+1 if I were to get something like this on the DAT?