Which of the following statements regarding the rule "like dissolves like" is incorrect? A)Since cooking oil is composed primarily of hydrocarbons, it is soluble in water. B)Oxygen, O₂, is not very soluble in water. C)Methanol, CH₃OH, is water-soluble. D)Cooking oil, a nonpolar substance, is soluble in heptane, C₇H₁₆. E)Sodium nitrate, NaNO₃, is soluble in water.

Question

Quizplus · Accepted Answer

Cooking oil, being composed primarily of hydrocarbons which are nonpolar, is not soluble in water, which is a polar solvent. Therefore, statement A is incorrect.

Which of the Following Statements Regarding the Rule "Like Dissolves