Which among the following compound will give maximum enol content in s

1.	Which among the following compound will give maximum enol content in solution :
Answer» `C_(6)H_(6)-overset(O)overset(\|\|)C-CH_(2)-overset(O)overset(\|\|)C-CH_(3)` `CH_(3)-overset(O)overset(\|\|)C-CH_(2)-overset(O)overset(\|\|)C-CH_(3)` `CH_(3)-overset(O)overset(\|\|)C-CH_(2)-CH_(2)-CH_(3)` `CH_(3)-overset(O)overset(\|\|)C-CH_(2)-COOC_(2)H_(5)` ANSWER :A

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