JEE Exam > JEE Videos > Chemistry for JEE Main & Advanced > Short Tricks: Alcohols, Phenols & Ethers
Short Tricks: Alcohols, Phenols & Ethers Video Lecture | Chemistry for JEE Main & Advanced
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FAQs on Short Tricks: Alcohols, Phenols & Ethers Video Lecture - Chemistry for JEE Main & Advanced
| 1. What are alcohols, phenols, and ethers? |  |
Ans. Alcohols, phenols, and ethers are organic compounds that contain oxygen atoms. Alcohols have a hydroxyl (-OH) group attached to a carbon atom, phenols have a hydroxyl group attached to an aromatic ring, and ethers have an oxygen atom bonded to two alkyl or aryl groups.
| 2. What are the physical properties of alcohols? | |
Ans. Alcohols have higher boiling points compared to similar-sized hydrocarbons due to the presence of hydrogen bonding between the hydroxyl groups. They are also soluble in water to varying degrees, depending on the size of the alcohol and the number of hydroxyl groups.
| 3. How are alcohols classified? | |
Ans. Alcohols are classified based on the number of carbon atoms attached to the carbon atom bonded to the hydroxyl group. Primary alcohols have one alkyl group attached, secondary alcohols have two alkyl groups, and tertiary alcohols have three alkyl groups.
| 4. What are the uses of phenols? | |
Ans. Phenols are widely used in the production of various chemical compounds and products. They are used as disinfectants, antiseptics, and preservatives. Phenolic resins are used in the manufacture of plastics, adhesives, and coatings. They are also used in pharmaceuticals and as intermediates in the synthesis of other chemicals.
| 5. How are ethers prepared? | |
Ans. Ethers can be prepared through the Williamson ether synthesis, where an alkoxide ion reacts with an alkyl halide. Another method is the dehydration of alcohols, where an alcohol reacts with a strong acid catalyst to eliminate water and form an ether. Additionally, ethers can be obtained through the reaction of alcohols with alkyl halides in the presence of a base.
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Dec 22, 2024 Last updated |
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