Choose the answer that has the following compounds correctly arranged with respect to acid catalyzed hydrolysis. Propose a mechanism for the…

Choose the answer that has the following compounds correctly arranged with respect to acid catalyzed hydrolysis. Propose a mechanism for the following reaction. Choose an intermediate structure in the mechanism of the following reaction. Are acetals (ketals) useful in organic synthesis? The acetal, frontalin, is used as a phermone by both elephants and the southern pine beetle. Draw the C=O compound that produces the acetal frontalin. ???