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Đáp án C
CH4; CHCl3; C2H7N;
CH3COONa; C12H22O11,
CH4; CHCl3; C2H7N;
CH3COONa; C12H22O11
Điều chế C2H2
\(CaC_2 + 2H_2O \to Ca(OH)_2 + C_2H_2\\ Ag_2C_2 + 2HCl \to 2AgCl + C_2H_2\\ 2CH_4 \xrightarrow{t^o,lln} C_2H_2 + 3H_2\)
Điều chế C2H4
\(Al_4C_3+12H_2O \to 4Al(OH)_3 + 3CH_4\\ C_2H_5OH \xrightarrow{t^o,H_2SO_4} C_2H_4 + H_2O\)
Điều chế CH2=CH-CH=CH2
\(CH_3-CH_2-CH_2-CH_3 \xrightarrow{t^o,xt} CH_2=CH-CH=CH_2 + 2H_2\)
a)
\(4Al+3C\xrightarrow[]{1500-1700^oC}Al_4C_3\\ Al_4C_3+12H_2O\rightarrow4Al\left(OH\right)_3\downarrow+3CH_4\uparrow\\ CH_4+Cl_2\xrightarrow[]{a/s}CH_3Cl+HCl\\ CH_3Cl+Cl_2\xrightarrow[]{a/s}CH_2Cl_2+HCl\\ CH_2Cl_2+Cl_2\xrightarrow[]{a/s}CHCl_3\\ CHCl_3+Cl_2\xrightarrow[]{a/s}CCl_4+HCl\)
b)
\(CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O\\ CH_3COONa+NaOH\xrightarrow[]{CaO,t^o}CH_4\uparrow+Na_2CO_3\)
\(CH_4+Cl_2\xrightarrow[]{a/s}CH_3Cl+HCl\\ 2CH_3Cl+2Na\xrightarrow[]{t^o}2NaCl+C_2H_6\\ C_2H_6\xrightarrow[]{t^o,xt}C_2H_4\)
c)
\(C_4H_{10}\xrightarrow[]{crackinh}C_2H_6+C_2H_4\\ C_2H_6+Cl_2\xrightarrow[]{a/s}C_2H_5Cl+HCl\\ 2C_2H_5Cl+2Na\xrightarrow[]{t^o,xt}C_4H_{10}+2NaCl\\ C_4H_{10}\xrightarrow[]{crackinh}CH_4+C_3H_6\\ C_3H_6+H_2\xrightarrow[]{Ni,t^o}C_3H_8\)
Al+Fe(NO3)3=Fe(NO3)3+Fe
Al(NO3)3+3NH3+3H2O=Al(OH)3+3NH4NO3
2Al(OH)3=Al2O3+3H2O (nhiệt phân)
Al2O3=2Al+3/2O2 (điện phân nóng chảy, xúc tác 3NaF.AlF3 (criolit) )
4Al+3C=Al4C3 (nung)
Al4C3+12H2O=4Al(OH)3+3CH4
CH4+2O2=CO2+2H2O
CO2+NaOH=NaHCO3
NaHCO3+NaOH=Na2CO3+H2O
Na2CO3+2HCl=2NaCl+CO2+H2O
2CO2+Ca(OH)2=Ca(HCO3)2
Ca(HCO3)2+2NaOH=Na2CO3+CaCO3+2H2O
CaCO3+2HCl=CaCl2+H2O+CO2
Al+4HNO3->Al(NO3)3+NO+2H2O
Al(NO3)3+3NaOH->Al(OH)3+3NaNO3
2Al(OH)3->Al2O3+3H2O
2Al2O3->4Al+3O2
4Al+3C->Al4C3
Al4C3+12H2O->4Al(OH)3+3CH4
CH4+2O2->CO2+2H2O
CO2+NaOH->NaHCO3
NaHCO3+NaOH->Na2CO3+H2O
Na2CO3+2HCl->2NaCl+CO2+H2O
2CO2+Ca(OH)2->Ca(HCO3)2
Ca(HCO3)2+Ca(OH)2->2CaCO3+2H2O
CaCO3+2HCl->CaCl2+CO2+H2O
\(4Al+3C\underrightarrow{t^o}Al_4C_3\)
\(Al_4C_3+12H_2O\rightarrow3CH_4+4Al\left(OH\right)_3\)
\(CH_4+Cl_2\underrightarrow{askt}CH_3Cl+HCl\)
\(CH_3Cl+Cl_2\underrightarrow{askt}CH_2Cl_2+HCl\)
\(CH_2Cl_2+Cl_2\underrightarrow{askt}CHCl_3+HCl\)
Bạn tham khảo nhé!
al -> al4c3 -> ch4 -> ch3cl -> ch2cl2 -> chcl3
8Al + 3C2 → 2Al4C3
Al4C3 + 12H2O → 3(CH4) + 4(Al(OH)3)
CH4 + Cl2 → CH3Cl + HCl
2CH3Cl + Cl2 → 2CH2Cl2 + H2
CH2Cl2 + Cl2 → CHCl3 + HCl