Cần gấp!!!giúp mình nha

N

npnhoang

Hoàn thành sơ đồ phàn ứng
CH3CHO+HCN->A+H3O+->B+H2SO4->C3H4O2->C(XT,nhiệt độ,p)
CH3COCH3.........D..............E(như trên)C4H6O2.........................
b-(b-(b-(b-(b-(b-(b-(b-(

CH3CH=O + HCN \Rightarrow CH3-CH-CN
_____________________'OH

CH3-CH-CN + H30 \Rightarrow(t) CH3CH-COOH
____'OH________________'OH

CH3CH-COOH + H2SO4 \Rightarrow(t) CH2=CH-COOH + H20
____'OH

nCH2=CH \Rightarrow(xt,t,p) -( CH2-CH )-
_____'COOH____________'COOH
 
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