Exhibit 19-2
Consider the data below to answer the following question(s) .
Cyanohydrins are important intermediates in the synthesis of α-hydroxycarboxylic acids from ketones and aldehydes.The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid.Nitriles can also be hydrolyzed to carboxylic acids using aqueous base.Unfortunately,when a cyanohydrin is treated with aqueous base the original carbonyl compound is isolated. 
-Refer to Exhibit 19-2.The reaction of an aldehyde with hydrogen cyanide is an example of _____ reaction.
Definitions:
Breast milk
The milk produced by a mother's breasts after childbirth, which contains essential nutrients and antibodies to support an infant's development.
Nervous system
The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, central to controlling and coordinating body activities.
Neurons
Specialized cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells, often referred to as the basic working units of the brain.
Lymphocytes
A type of white blood cell that is part of the immune system, helping the body to fight infections and diseases by recognizing antigens and producing antibodies.
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