Which choice lists the following compounds in order of increasing solubility in water?
I. CH3–CH2–CH2–CH3 II. CH3–CH2–O–CH2–CH3 III. CH3–CH2–OH IV. CH3–OH
A. I < III < IV < II
B. I < II < IV < III
C. III < IV < II < I
D. I < II < III < IV
I put C and it was wrong.

i) Due to hydrogen bonding, alcohols are more soluble in water than ether. In non-polar solvents, ethers can be dissolved. (A fundamental rule of solubility is that like dissolves like.)

ii) As chain length goes up, alcohols lose their ability to dissolve in water. Methanol is more soluble in water than ethanol when it comes to alcohol.

iii) In general, alkanes are non-polar and soluble in organic solvents like and carbon tetrachloride but insoluble in water. Thus, n-butane has the lowest water solubility.

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Which choice lists the following compounds in order of increasing solubility in water? I. CH3–CH2–CH2–CH3 II. CH3–CH2–O–CH2–CH3 III. CH3–CH2–OH IV. CH3–OH A. I < III < IV < II B. I < II < IV < III C. III < IV < II < I D. I < II < III < IV I put C and it was wrong.

Answer :

Other Questions

Which choice lists the following compounds in order of increasing solubility in water?
I. CH3–CH2–CH2–CH3 II. CH3–CH2–O–CH2–CH3 III. CH3–CH2–OH IV. CH3–OH
A. I < III < IV < II
B. I < II < IV < III
C. III < IV < II < I
D. I < II < III < IV
I put C and it was wrong.