10. Which of the following is the empirical formula of glucose, C6H12O6? (A) C3H6O3 (B) C6H12O6 (C) CH4O (D) CH2O

11. Rank the following compounds according to increasing solubility in water. I. CH3–CH2–CH2–CH3 II. CH3–OH III. CH3–CH2–OH IV. CH3–CH2–O–CH2–CH3 (A) I < IV < III < II (B) I < II < IV < III (C) III < IV < II < I (D) I < II < III < IV (E) None of these (A-D) is correct.