Which of the following is NOT TRUE about nucleophilic addition reactions of aldehydes?

Step-by-step solution

Hemiacetals contain one alkoxy group ( -OR ) and one hydroxyl group ( -OH ) attached to the same carbon atom. They are gem-alkoxyalcohols. Acetals contain two alkoxy groups attached to the same carbon atom and are known as gem-dialkoxy compounds. Thus, the statement that hemiacetals are gem-dialkoxy compounds is incorrect. The sodium bisulphite addition product is crystalline and water-soluble, and can be converted back to the original carbonyl compound by treating it with dilute mineral acid or alkali. Therefore,