Hoàn thành pt $C_3H_6 \to A$ $A+2NaOH \to B \to C \to D $ $D+2NaOH \to E$ $E+2NaOH \to H_2$

(Sửa: $E+2NaOH\to CH_4$)

$C_3H_6$: xiclopropan 

$A: CH_2Cl-CH_2-CH_2Cl$

$B: CH_2OH-CH_2-CH_2OH$

$C: OHC-CH_2-CHO$

$D: HOOC-CH_2-COOH$

$E: NaOOC-CH_2-COONa$

PTHH:

$C_3H_6+Cl_2\to ClCH_2-CH_2-CH_2Cl$

$ClCH_2-CH_2-CH_2Cl+2NaOH\xrightarrow{{t^o}} HOCH_2-CH_2-CH_2OH$

$HOCH_2-CH_2-CH_2OH+2CuO\xrightarrow{{t^o}} OHCCH_2CHO+2Cu+2H_2O$

$OHC-CH_2-CHO+2Br_2+2H_2O\to HOOC-CH_2-COOH+4HBr$

$HOOC-CH_2-COOH+2NaOH\to NaOOCCH_2COONa+2H_2O$

$NaOOCCH_2COONa+2NaOH\xrightarrow{{CaO, t^o}} 2Na_2CO_3+CH_4$