Complete the mechanism for the formation of the major species at equilibrium for the reaction of 2- methylpropanal in water and catalytic aqueous acid. Make sure to include any missing atoms, bonds, charges, non-bonding electrons and curved arrows. Then classify the final product below.

Select the choice that best describes the final structure.

A. 1? gem-diol

B. 2? gem-diol

C. Hemiacetal

D. Acetal

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