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which one of the two bolded carbon atoms will appear the furthest downfield in the carbon-13...

which one of the two bolded carbon atoms will appear the furthest downfield in the carbon-13 NMR spectra?

CH3CH2OH or C6H5CH2CHO?

1. CH3CH2OH

2. C6H5CH2CHO

3. the both will appear in the same general area of the spectrum

4. unable to tell

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