Chemistry - STRUCTURAL ISOMERISM Question with Solution | TestHub
ChemistrySTRUCTURAL ISOMERISMTAUTOMERISMHard2 minQB
ChemistryHardsingle choice
(I) 
(II) 
(III) 
(IV) 
Correct relationship between above compounds :
Options:
Answer:
A
Solution:
(I) is butan-2-one and (II) is but-2-en-2-ol, its enol : they differ only in the position of a proton and a double bond, so they are tautomers. (I) and (III) are functional-group isomers (ketone and aldehyde), not tautomers; (II) and (IV) are also a keto-enol-related pair, not metamers; (III) and (IV) are tautomers, not position isomers. Hence (A).
Stream:JEESubject:ChemistryTopic:STRUCTURAL ISOMERISMSubtopic:TAUTOMERISM
⏱ 2mℹ️ Source: QB
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