MEDIUMMCQ SINGLENEET ChemistryOrganic ChemistryAldehydes and ketonesPrevious Year Questions
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon is (NEET 2016)
A.a carbonyl compound with a hydrogen atom on its
B.a carbonyl compound with a hydrogen atom on its
C.a carbonyl compound with a hydrogen atom on its
D.a carbonyl compound with a hydrogen atom on its✓ Correct
Explanation
If the carbonyl compound has a hydrogen atom which is present on the alpha carbon atom, then this hydrogen atom can change its position within the molecule and creates equilibrium. keto–enol tautomerism refers to a chemical equilibrium between a carbonyl compound (a ketone or an aldehyde) and an enol (an alcohol). The keto and enol forms are said to be tautomers of each other. Aldehydes and Ketones 37
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