Ý đúng: a, b, c

\( + \,\,\left\{ \begin{array}{l}X\,\,la{\o}\,\,C{H_2} = CHCOO{C_2}{H_5}\\Y\,\,la{\o}\,\,{C_2}{H_5}COOCH = C{H_2}\end{array} \right.;\,\,\left\{ \begin{array}{l}{X_1}\,\,la{\o}\,\,C{H_2} = CHCOONa,\,\,{X_2}\,\,la{\o}\,\,{C_2}{H_5}OH\\{Y_1}\,\,la{\o}\,\,{C_2}{H_5}COONa,\,\,{Y_2}\,\,la{\o}\,\,C{H_3}CHO\end{array} \right.\)

a. Đúng

X1: 2CH₂=CHCOONa + 6O₂ 5 CO₂+ Na₂CO₃ + 3H₂O

a 3a

b.Đúng

C₂H₅OH + O₂ CH₃COOH + H₂O

(c)Đúng

CH₃CHO + 2AgNO₃ + 3 NH₃+ H₂O CH₃COONH₄ + 2Ag↓+ 2NH₄NO₃

(d) Sai

CH≡CH + H₂O CH₃CHO

(e)Sai

C₂H₅COONa + HCl → C₂H₅COOH (axit propionic) + NaCl

Xác định chất X thỏa mãn sơ đồ sau: