\(CTTQ:C_nH_{2n+1}OH\left(n\ge1\right)\)
\(PTHH:C_nH_{2n+1}OH+Na\rightarrow C_nH_{2n+1}ONa+\frac{1}{2}H_2\)
\(pt:\)________\(14n+18\left(g\right)\)__\(23\left(g\right)\)_______________
\(pứ:\)_______\(4,6(g)\)_______\(2,3(g)\)___________
Áp dụng định luật tỉ lệ:
\(\frac{14n+18}{4,6}=\frac{23}{2,3}\Leftrightarrow n=2\left(TM\right)\)
\(\rightarrow CTPT:C_2H_5OH\left(ancol\cdot etylic\right)\)