When the two constitutional isomers shown below are reacted with HCl, the same major product is formed. Identify the structure of this major product.

Predict the major product(s) for the reaction shown. A) I B) II C) III D) IV  

The following reaction mechanism contains mistakes. Which of the following statements correctly describes how the curved arrows should be drawn?  

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

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?

Consider the stepwise mechanism for the following transformation. Select the structural formula for the organic product of the first elementary step in the mechanism

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

Consider the following multistep synthesis. What experimental conditions are needed for step IV ?

Select the structural formula that contributes most to the resonance hybrid.  

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