1 câu trả lời
$CaC_2+2H_2O\to Ca(OH)_2+C_2H_2$
$2C_2H_2\buildrel{{NH_4Cl, CuCl, t^o}}\over\longrightarrow CH\equiv C-CH=CH_2$
$CH\equiv C-CH=CH_2+ AgNO_3+NH_3\to AgC\equiv C-CH=CH_2+ NH_4NO_3$
$AgC\equiv C-CH=CH_2+H_2\buildrel{{Ni, t^o}}\over\to AgC\equiv C-CH_2-CH_3$
$AgC\equiv C-CH_2-CH_3+HCl\to AgCl+CH\equiv C-CH_2-CH_3$
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