Orgoreview

Welcome to orgoreview question vault. We have 5000 more problems for you to solve.

Which of the following cannot exist?

(A) An aldotetrose in pyranose form.

(B) An aldotetrose in furanose form.

(C) An aldopentose in pyranose form.

(D) An aldopentose in furanose form.

(E) A ketohexose in pyranose form.