Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
\(nCH_2=CH_2\rightarrow\left(-CH_2-CH_2-\right)_n\)
\(CH_4\underrightarrow{^{H2,1400oC}}C_2H_2\rightarrow H_2C=CH-C\equiv CH\underrightarrow{^{+H2}}H_2C=\)
\(CH-CH=CH_2\underrightarrow{^{to,xt}}-\left(-CH_2-CH=CH-CH_2-\right)_n-\)
Câu 1:
\(2CH_4\underrightarrow{^{1500^oC,lln}}C_2H_2+3H_2\)
\(2CH\equiv CH\underrightarrow{t^o,xt}CH_2=CH-C\equiv CH\)
\(CH_2=CH-C\equiv CH+H_2\underrightarrow{t^o,Ni}CH_2=CH-CH=CH_2\)
\(nCH_2=CH-CH=CH_2\underrightarrow{^{t^o,p,xt}}\left(-CH_2-CH_2-CH_2-CH_2-\right)_n\)
Câu 2:
\(CH_3COONa+NaOH\underrightarrow{^{t^o,CaO}}CH_4+Na_2CO_3\)
\(2CH_4\underrightarrow{^{1500^oC,lln}}C_2H_2+3H_2\)
\(C_2H_2+H_2\underrightarrow{t^o,Pd}C_2H_4\)
\(C_2H_4+H_2O\underrightarrow{t^o,xt}C_2H_5OH\)
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)
\(C_4H_{10}\xrightarrow[]{crackinh}C_2H_6+C_2H_4\\ C_2H_6+Cl_2\xrightarrow[]{a/s}C_2H_5Cl+HCl\\ 2C_2H_5Cl+2Na\xrightarrow[]{t^o,xt}C_4H_{10}+2NaCl\\ C_4H_{10}\xrightarrow[]{crackinh}CH_4+C_3H_6\\ C_3H_6+H_2\xrightarrow[]{Ni,t^o}C_3H_8\)
Đáp án A
Hướng dẫn
( C 6 H 10 O 5 ) n → n C 6 H 12 O 6 → 2 n C 2 H 5 O H → n C 4 H 6 → ( C 4 H 8 ) n 162 n 54 n ? 2
Khối lượng xenlulozo = 2 . 162 n 54 n . 100 . 100 . 100 . 100 35 . 80 . 60 . 100 = 35,71 tấn
\(C_4H_{10}\underrightarrow{^{t^o,p,xt}}CH_4+C_3H_6\)
\(2CH_4\underrightarrow{^{1500^oC,lln}}C_2H_2+3H_2\)
\(C_2H_2+H_2\underrightarrow{^{t^o,Pd}}C_2H_4\)
\(nCH_2=CH_2\underrightarrow{^{t^o,p,xt}}\left(-CH_2-CH_2-\right)_n\)