1.

The order of stability of the following tautomeric compound is I. CH_(2)=overset(OH)overset("|")"C "-CH_(2)-overset(O)overset(||)C-CH_(3) II. CH_(3)-overset(O)overset(||)C-CH_(2)-overset(O)overset(||)C-CH_(2) III. CH_(3)-overset(OH)overset("|")"C "=CH-overset(O)overset(||)C-CH_(3)

Answer»

I gt II gt III
III gt II gt I
II gt I gt III
II gt III gt I

Solution :The `BETA`- dicarbonyl compounds are more stable because of conjugation and intramolecular H-bonding THUS, the order of stability is


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