Exhibit 18-2 Consider the Data Below to Answer the Following Question(s)

question 29

Essay

Exhibit 18-2
Consider the data below to answer the following question(s).
Acetals are a special class of ethers which have two ether linkages at a single carbon.Tetrahydropyranyl ethers are acetals that are easily cleaved with mild aqueous acids at room temperature to yield alcohols.
-Refer to Exhibit 18-2.This ether cleavage occurs so easily under such mild conditions because the carbocation intermediate in step two is very stable.Explain why this carbocation is stabilized.

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