Question
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon is:
A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.
A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation.
A carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism.
A carbonyl compound with a hydrogen atom on its alpha-carbon never equilibrates with its corresponding enol.
Aldehydes and ketones that possess at least one -hydrogen atom are acidic in nature. This acidity allows the migration of the -hydrogen to the carbonyl oxygen, accompanied by a shift in the position of the double bond. This results in a dynamic equilibrium between the keto form () and the enol form (). This phenomenon is a specific type of structural isomerism called keto-enol tautomerism.
This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Aldehydes, Ketones and Carboxylic Acids. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Aldehydes, Ketones and Carboxylic Acids Questions
The product formed from the following reaction sequence is:
Which of the chemical reagents can be used to distinguish between cis-cyclopenta-1,2-diol and trans-cyclopenta-1,2-diol?
The product(s) formed from the following reaction is/are:
The intermediate compound 'X' in the following chemical reaction is: $$\text{Toluene} \xrightarrow{CrO_2Cl_2/CS_2} X \xrightarrow{H_3O^+} \text{Benzaldehyde}$$
The product that cannot be formed in the following reaction is:
The product of the below-mentioned reaction is: (Reaction Scheme Missing)
$$RMgX + CO_2 \xrightarrow{\text{dry ether}} Y \xrightarrow{H_3O^+} RCOOH$$ What is Y in the above reaction?
Match the reagents in List-I with the corresponding reactions in List-II: **List-I (Reagent)** A. $H_2, Pd-BaSO_4$ B. (i) $CrO_2Cl_2, CS_2$ (ii) $H_2O/H^+$ C. $CO, HCl, \text{Anhyd. } AlCl_3/CuCl$ D. $CHCl_3, NaOH$ **List-II (Name of the reaction)** I. Gattermann-Koch reaction II. Reimer-Tiemann reaction III. Etard reaction IV. Rosenmund reduction Choose the correct answer from the options given below:
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