Select the molecule that has 5 peaks in its proton-decoupled 13C NMR spectrum.

When a reaction is performed in basic water, what is the proton donor?

Consider the following intermediate involved in the mechanism of an organic reaction that we covered in CHM 2211. What is the structural formula of the major organic product for this reaction?

Thionyl chloride (SOCl2) is used to convert a primary amide into  _______________.

Thionyl chloride (SOCl2) is used to convert a carboxylic acid into _______________.

Select the structural formula that is most consistent with the information in this 1H NMR spectrum. 

What is(are) the major organic product(s) for this reaction?

Select the structural formulas that are resonance structures contributing to a resonance hybrid.

Give the best answer that describes the relationship between the two shown structural formulas.

Which of the following is an effect of ocean acidification caused by increased CO2 levels?