Đáp án đúng: D
Giải chi tiết:nglucozo(LT)=1 mol
Xét quá trình thủy phân 0,1 mol glucozo
\(\begin{gathered} \,\,\,\,\,\,\,\,\,\,{C_6}{H_{12}}{O_6}{\text{ }}\xrightarrow{{{H_1} = 80\% }}{\text{ }}2{C_2}{H_5}OH{\text{ }}\xrightarrow{{{H_2} = ?}}{\text{ }}2C{H_3}COOH \hfill \\ LT:\,\,\,\,\,\,\,\,0,1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,0,2 \hfill \\ \end{gathered} \)
nCH3COOH(TT)=nNaOH=0,144 mol
Mà nCH3COOH(TT)=nCH3COOH(LT).H1.H2=>H2=0,144/(0,2.0,8)=90%
Đáp án D