Aldehydes contain the carbonyl group bonded to at least one hydrogen atom. Ketones contain the carbonyl group bonded to two carbon atoms. Aldehydes and ketones are organic compounds which incorporate a carbonyl functional group, C=O.

Alkenes undergo acid-catalyzed hydration in the presence of water and acid catalyst, forming alcohols. In the case of unsymmetrical alkenes, the addition follows Markovnikov’s rule.

In ethers, the four electron pairs on oxygen, two bond pairs and two lone pairs, are arranged approximately tetrahedrally. The bond angle is slightly greater than the tetrahedral angle due to repulsive interactions between the two bulky (–R) groups attached ...

In phenol, the carbon–oxygen bond length is shorter (136 pm) than in methanol due to partial double bond character resulting from the conjugation of the unshared electron pair of oxygen with the aromatic ring and the sp² hybridization of the ...

The sigma (σ) bond in alcohols is formed by overlap between a sp³ hybridized orbital of carbon and a sp³ hybridized orbital of oxygen. The bond angle is slightly less than tetrahedral (109°-28’) due to repulsion between the unshared electron ...

Phenols can be synthesized from diazonium salts by forming the diazonium salt from an aromatic primary amine and then hydrolyzing it to phenols. Alternatively, phenol is manufactured from cumene by oxidizing cumene to cumene hydroperoxide, followed by conversion to phenol ...

In the laboratory, phenols are prepared from chlorobenzene by fusing it with NaOH at 623 K, followed by acidification of the produced sodium phenoxide. From benzenesulphonic acid, phenol is obtained by sulphonating benzene with oleum, converting the resulting benzene sulphonic ...

Phenol is commercially produced synthetically nowadays, but it was first isolated from coal tar in the early nineteenth century.

Commercially, carboxylic acids are reduced to alcohols by first converting them to esters, followed by catalytic hydrogenation. Lithium aluminium hydride (LiAlH₄) is considered less economical for this purpose due to its high cost, and it is primarily used for specialized ...

Aldehydes yield primary alcohols, while ketones give secondary alcohols upon reduction. Reduction by lithium aluminium hydride involves the addition of hydride ions and is an effective method for obtaining alcohols from aldehydes and ketones.