25. Rank the following compounds according to increasing solubility in water.
I. $\text{CH}_3-\text{CH}_2-\text{CH}_2-\text{CH}_3$ II. $\text{CH}_3-\text{CH}_2-\text{O}-\text{CH}_2-\text{CH}_3$
III. $\text{CH}_3-\text{CH}_2-\text{OH}$ IV. $\text{CH}_3-\text{OH}$
(A) $\text{I} < \text{III} < \text{IV} < \text{II}$
(B) $\text{I} < \text{II} < \text{IV} < \text{III}$
(C) $\text{III} < \text{IV} < \text{II} < \text{I}$
(D) $\text{I} < \text{II} < \text{III} < \text{IV}$
(E) None of these (A-D) is correct. 

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