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Questions and Answers
Which functional group is present in alcohols, phenols, and ethers?
Which functional group is present in alcohols, phenols, and ethers?
- Carboxylic acid
- Aldehyde
- Amide
- Hydroxyl (correct)
What is the general formula for alcohols?
What is the general formula for alcohols?
- $C_nH_{2n+1}OH$ (correct)
- $C_nH_{2n+2}O$
- $C_nH_{2n+1}O$
- $C_nH_{2n}$
Which of the following is a characteristic property of ethers?
Which of the following is a characteristic property of ethers?
- Formation of hydrogen bonds
- High boiling points (correct)
- Strong acidity
- Pungent smell
What is the IUPAC name of the compound CH3CH2OCH2CH3?
What is the IUPAC name of the compound CH3CH2OCH2CH3?
Which of the following is a common method for the synthesis of alcohols?
Which of the following is a common method for the synthesis of alcohols?
Which alcohol is formed as the major product in the reaction of 1-butene with water in the presence of a strong acid catalyst?
Which alcohol is formed as the major product in the reaction of 1-butene with water in the presence of a strong acid catalyst?
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Study Notes
Functional Groups
- Alcohols contain a hydroxyl group (-OH).
- Phenols also contain a hydroxyl group attached to a benzene ring.
- Ethers consist of an oxygen atom connected to two alkyl or aryl groups (R-O-R').
General Formula for Alcohols
- The general formula for alcohols is CnH2n+1OH.
Characteristic Properties of Ethers
- Ethers exhibit low reactivity compared to alcohols and can be used as solvents due to their ability to dissolve a variety of organic compounds.
IUPAC Naming of Ethers
- The IUPAC name for the compound CH3CH2OCH2CH3 is diethyl ether.
Synthesis of Alcohols
- A common method for synthesizing alcohols is the hydration of alkenes, where an alkene reacts with water.
Major Product from 1-Butene Reaction
- In the reaction of 1-butene with water in the presence of a strong acid catalyst, the major product formed is 2-butanol.
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