Consider the following transformations of a compound $P$
Choose the correct option(s)
Choose the correct option(s)
$X$ is $Pd - C /$ quinoline / \(H _{2}\)
The Correct Option is B, C
Solution and Explanation
- NaNH2 acts as a strong base and is commonly used for the double elimination of geminal or vicinal dihalides to yield alkynes. This process involves the removal of two halogen atoms from adjacent carbon atoms, resulting in the formation of a carbon-carbon triple bond (alkyne)
- Lindlar's catalyst, which consists of palladium on calcium carbonate (Pd-C) with quinoline, is a selective catalyst used to reduce alkynes to alkenes. Unlike typical hydrogenation reactions, Lindlar's catalyst allows for the reduction of alkynes to alkenes without further reduction to alkanes. This selective reduction is useful in organic synthesis for controlling the outcome of reactions involving alkynes.
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Concepts Used:
Chemical Properties - Alcohols, Phenols and Ethers
Alcohols, phenols, and ethers are organic compounds that have distinct chemical properties.
Alcohols are characterized by the presence of the hydroxyl (-OH) functional group, which makes them polar and capable of forming hydrogen bonds. They are typically classified as primary, secondary, or tertiary, depending on the number of alkyl groups attached to the carbon atom bearing the hydroxyl group. Alcohols undergo various chemical reactions, including oxidation, dehydration, and esterification.
Phenols are organic compounds that contain an -OH group attached to an aromatic ring. They are weaker acids than carboxylic acids but stronger acids than alcohols due to the resonance stabilization of the phenoxide ion. Phenols undergo various chemical reactions, including electrophilic substitution and oxidation.
Read More: Classification of Alcohol, Phenols and Ethers
Ethers are organic compounds that contain an oxygen atom bonded to two alkyl or aryl groups. They are characterized by their low boiling points and are often used as solvents. Ethers undergo various chemical reactions, including cleavage of the C-O bond and oxidation.
In summary, alcohols, phenols, and ethers have distinct chemical properties due to the presence of the hydroxyl or ether functional group. Understanding these properties is important for understanding their reactivity and potential applications in various fields, including chemistry, biology, and industry.