Exhibit 21-2
Consider the reaction below to answer the following question(s): 
Acid halides react with diazomethane to yield diazoketones.Excess diazomethane is used to prevent the HCl produced in the reaction from reacting with the diazoketone.
-Refer to Exhibit 21-2.The intermediate structures for the mechanism for the reaction of propanyl chloride with diazomethane are provide below.Show all electron flow with arrows on these structures. 
Definitions:
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how much the values typically deviate from the mean.
Significance Level
A threshold in hypothesis testing, typically denoted as alpha, that defines the probability of rejecting a true null hypothesis, commonly set at 0.05 or 5%.
Mean Weight
The average weight calculated by summing all individual weights and dividing by the total number of individuals.
Female College Students
Young women enrolled in a college or university program pursuing higher education.
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