The q,ß-unsaturated ketone A exchanges hydrogen atoms with deuterium at the two positions shown below to give product B. Provide a detailed, stepwise mechanism for the following transformation using proton transfer reactions. Use curved arrows to show the movement of electrons.
O+D > D20 (solvent) D D

Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.