How many moles of an alcohol are needed to react with 1 mole of an aldehyde to form a hemiacetal?
A) 3.5 moles
B) 3 moles
C) 1.5 moles
D) 2 moles
E) 1 moles
Correct Answer:
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Q21: Aldehydes and ketones may be reduced to
A)alcohols.
B)acids.
C)alkanes.
D)esters.
E)ethers.
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A)a
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A)a plastic.
B)another name for formaldehyde.
C)an excellent
Q29: Aldehydes have higher boiling points than alkanes
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Q31: An acetal is formed from two molecules
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