Alcohols Phenols And Ethers Class 12 Notes Pdf Download Best May 2026

) : This is a versatile method to increase the carbon chain length. Formaldehyde gives 1∘1 raised to the composed with power , other aldehydes give 2∘2 raised to the composed with power , and ketones give 3∘3 raised to the composed with power Phenols have the −OHnegative cap O cap H

: Hydrolysis of benzene diazonium chloride. Key Named Reactions : Kolbe’s Reaction : Phenol reacts with CO2cap C cap O sub 2 NaOHcap N a cap O cap H to form Salicylic acid . Reimer-Tiemann Reaction : Phenol reacts with chloroform ( CHCl3cap C cap H cap C l sub 3 ) and aqueous NaOHcap N a cap O cap H to form Salicylaldehyde . 3. Ethers: Preparation and Properties alcohols phenols and ethers class 12 notes pdf download

Ethers have lower boiling points than alcohols of comparable mass because they cannot form intermolecular hydrogen bonds. ) : This is a versatile method to

) : This is a versatile method to increase the carbon chain length. Formaldehyde gives 1∘1 raised to the composed with power , other aldehydes give 2∘2 raised to the composed with power , and ketones give 3∘3 raised to the composed with power Phenols have the −OHnegative cap O cap H

: Hydrolysis of benzene diazonium chloride. Key Named Reactions : Kolbe’s Reaction : Phenol reacts with CO2cap C cap O sub 2 NaOHcap N a cap O cap H to form Salicylic acid . Reimer-Tiemann Reaction : Phenol reacts with chloroform ( CHCl3cap C cap H cap C l sub 3 ) and aqueous NaOHcap N a cap O cap H to form Salicylaldehyde . 3. Ethers: Preparation and Properties

Ethers have lower boiling points than alcohols of comparable mass because they cannot form intermolecular hydrogen bonds.