Write more stable tautomeric structrues of the following: (a) Phenol (b) Methyl-3-oxobutane (c )Cyclohexan -1,3,5 trione (d) Butan-2-one (e )1-Phenyl butan-2- one (f) (g). 2-Bicyclo[4.1.0] heptan-2-one `underset((A))("Glycerol")overset(KHSO_(4))underset({:(" or"),( P_(2)O_(5)),(-2H_(2)O" "):})to(B) overset("Tautomeric form")(hArr)(C)`
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a. b. c. d. (II is less stabel, the exocyclic `(C==C)` bond increases the strain in the cyclopropyl ring.) The `(C==C)` bond joining two rings is called exocyclic double bond.
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