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Câu hỏi: Công thức phân tử và công thức cấu tạo của xenlulozơ lần lượt là:
A. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{12}}}{{\text{O}}_{\text{6}}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}}$
B. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{5}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}}$
C. ${{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}},{{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{10}}{{\text{O}}_{5}} \right)}_{\text{n}}}$
D. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{5}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{2}} \right]}_{\text{n}}}$
A. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{12}}}{{\text{O}}_{\text{6}}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}}$
B. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{5}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}}$
C. ${{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{\text{3}}} \right]}_{\text{n}}},{{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{10}}{{\text{O}}_{5}} \right)}_{\text{n}}}$
D. ${{\left( {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{10}}}{{\text{O}}_{5}} \right)}_{\text{n}}}\text{,}{{\left[ {{\text{C}}_{\text{6}}}{{\text{H}}_{\text{7}}}{{\text{O}}_{\text{2}}}{{\left( \text{OH} \right)}_{2}} \right]}_{\text{n}}}$
Công thức phân tử và công thức cấu tạo của xenlulozơ lần lượt là: (C6H10O5)n và [C6H7O2(OH)3]n.
Đáp án B.