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Câu hỏi: Hãy hoàn thành các sơ đồ phản ứng sau:
$C{H_3}CH = O\buildrel {HCN} \over\longrightarrow A\buildrel {{H_3}O^+,{t^o}} \over\longrightarrow B\buildrel {{H_2}S{O_4},{t^o}} \over\longrightarrow {C_3}{H_4}{O_2}\buildrel {xt,{t^o},p} \over\longrightarrow C$
$C{H_3}COC{H_3}\buildrel {HCN} \over\longrightarrow D\buildrel {{H_3}O^+,{t^o}} \over\longrightarrow E\buildrel {{H_2}S{O_4},{t^o}} \over\longrightarrow {C_4}{H_6}{O_2}\buildrel {xt,{t^o},p} \over\longrightarrow F$
$C{H_3}CH = O\buildrel {HCN} \over\longrightarrow A\buildrel {{H_3}O^+,{t^o}} \over\longrightarrow B\buildrel {{H_2}S{O_4},{t^o}} \over\longrightarrow {C_3}{H_4}{O_2}\buildrel {xt,{t^o},p} \over\longrightarrow C$
$C{H_3}COC{H_3}\buildrel {HCN} \over\longrightarrow D\buildrel {{H_3}O^+,{t^o}} \over\longrightarrow E\buildrel {{H_2}S{O_4},{t^o}} \over\longrightarrow {C_4}{H_6}{O_2}\buildrel {xt,{t^o},p} \over\longrightarrow F$