A covalent bond is likely to be polar when ________. one of the atoms sharing electrons is more electronegative than the other a
tom carbon is one of the two atoms sharing electrons the two atoms sharing electrons are equally electronegative the two atoms sharing electrons are of the same elements 0
The reaction begins with a hydride nucleophile reacting with the ester carbonyl carbon to form the tetrahedral intermediate.
The carbonyl reforms to produce an aldehyde with the loss of the alkoxide ion.
The resulting aldehyde undergoes a subsequent reaction with a hydride nucleophile to form another tetrahedral intermediate. The carbonyl is not able to reform, because there are no stable leaving groups.
Therefore, the tetrahedral intermediate is protonated to produce a primary alcohol.
