Keto enol tautomerism is not observed in:

Keto-enol tautomerism does not observe in :

Keto-enol tautomerism is observed in : (i) a. PhCHO , b. PhCOCH_(3) c. PhCOPh , d. PhCOCH_(2)COCH_(3)

Keto-enol tautomerism is observed in : (i) a. PhCHO , b. PhCOCH_(3) c. PhCOPh , d. PhCOCH_(2)COCH_(3) (II) Arrange the following in the decreasing order of enol content: (i) a. CH_(3)COCH_(2)CHO , b. CH_(3)COCH_(3) c. CH_(3)CHO , d. CH_(3)COCH_(2)COCH_(3) (ii) a. CH_(2)(COOEt)_(2) (Diethyl malonate) b. CH_(3)COCH_(2)COOEt(EA A) c. CH_(3)COCH_(2)COCH_(3) d. PhCOCH_(2)COCH_(3) (III) Give the decreasing order of enol content of ethyl acetoacetate in the following solvents: a. Water b. Methanol c. Benzene d. Acetone

Keto-enol tautomerism is observed in :

Keto-enol tautomerism is observed in :

Keto - enol tautomerism is oberved in :