Organic question pretty please?

[dentalmagnet]

Which is the correct order from lowest to highest field for the chemical shifts of the numbered sets of protons in the H NMR spectrum of this compound..


BrCH2OCH2CH3
^A ^B ^C


Okay..the right answer is A<B<C. I thought the right answer was C<B<A
I thought the higher the ppm the higher the field..so then the H's in the middle of Br and O would be in the highest field and the H's on the methyl at the end would be at the lowest field?

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[zuma35]

The highest numbers are downfield.

 

[dentalmagnet]

The highest numbers are downfield.

oh yea So highest field=downfield? In this question they said highest field..not highest numbers. So, I should just go with

highest field=lowest numbers=upfield.

lowest field=highest numbers=downfield

 

[zuma35]

So, I should just go with

highest field=lowest numbers=upfield.

lowest field=highest numbers=downfield

You got it.

 

[dentalmagnet]

You got it.

Thank you so much!!!