Đáp án D
CH3COOCH2CH3 + NaOH → CH3COONa + CH3CH2OH
CH3COOCH2CH2Cl + 2NaOH
→
t
o
CH3COONa + NaCl + C2H4(OH)2
CH3COOCH(Cl)CH3 + 2NaOH → CH3COONa + NaCl + CH3CHO + H2O
ClCH2COOC2H5 + 2NaOH → HOCH2COOH + NaCl + CH3CH2OH
→ X thỏa mãn là ClCH2COOC2H5