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a) CH3COONa + NaOH\(\xrightarrow[t]{CaO}\) CH4 + Na2CO3
CH4+ Cl2 -> CHCl3 +HCl
b) C4H10 \(\xrightarrow[xt]{t}C_3H_6+CH_4\)
CH4 + O2-> CO2 +H2O
CO2 +Ca(OH)2-> CaCO3 +H2O
C) Al4C3 + H2O -> Al(OH)3 + CH4
CH4 \(\xrightarrow[lamlanhnhanh]{1500^0}\) C2H2 +H2
p/s: làm tới đây thôi ,tự cân bằng
\(C_2H_5OH\xrightarrow[H_2SO_4\left(\text{đ}\right)]{170^{\circ}C}C_2H_4^{\left[X_1\right]}+H_2O\)
\(3C_2H_4+2KMnO_4+4H_2O\xrightarrow[]{t^\circ}3C_2H_4\left(OH\right)_2^{\left[X_2\right]}+2KOH+2MnO_2\downarrow\)
\(C_2H_4\left(OH\right)_2\xrightarrow[H_2SO_4\left(\text{đ}\right)]{170^\circ C}CH_3CHO^{\left[X_3\right]}+H_2O\)
\(2C_2H_4\left(OH\right)_2+O_2\xrightarrow[t^{\circ}]{Cu}2HOCH_2CHO^{\left[X_4\right]}+2H_2O\)
\(2HOCH_2CHO+O_2\xrightarrow[t^\circ]{Cu}2\left(CHO\right)_2^{\left[X_5\right]}+2H_2O\)
a) \(BaCl_2+LiOH\rightarrow\text{không phản ứng}\)
b) \(CH_3COONa+NaOH\xrightarrow[CaO]{t^\circ}Na_2CO_3+CH_4\uparrow\)
Ion RG: \(CH_3COO^-+OH^-\xrightarrow[CaO]{t^\circ}CO_3^{2-}+CH_4\uparrow\)
c) \(CaCO_3+2HNO_3\rightarrow Ca\left(NO_3\right)_2+H_2O+CO_2\uparrow\)
Ion RG: \(CaCO_3+2H^+\rightarrow Ca^{2+}+H_2O+CO_2\uparrow\)
d) \(3Cu+8HCl+8NaNO_3\rightarrow3Cu\left(NO_3\right)_2+8HCl+2NO\uparrow+4H_2O\)
Ion RG: \(3Cu+8H^++2NO_3^-\rightarrow3Cu^{2+}+2NO\uparrow+4H_2O\)
e) \(NH_4Cl+NaNO_2\xrightarrow[]{t^\circ}NaCl+N_2\uparrow+2H_2O\)
Ion RG: \(NH_4^++NO_2^-\rightarrow N_2\uparrow+2H_2O\)
f) \(2NaCl+2H_2O\xrightarrow[cmn]{đpdd}2NaOH+Cl_2\uparrow+H_2\uparrow\)
Ion RG: \(2Cl^-+2H_2O\xrightarrow[cmn]{đpdd}2OH^-+Cl_2\uparrow+H_2\uparrow\)