The most stabl enol tautomer of `MeCOCH_(2)CO_(2)Et` is

Options

A. `CH_2 =C (OH) CH_2 CO_2 Et`
B. `MeC (OH)= CHCO_2Et`
C. MeCOCH = C(OH)Oet
D. `CH_2 = C(OH)CH = C(OH)Et`

Answer

B

Explanation

This enol form is stabilized due to resonance.