Multiple choice

Which of the following chemicals are arranged in correct increasing order of their solubility in water?

  1. Octane < Cholesterol < Glucose < AgCl < NaCl

  2. Octane < Cholesterol < Glucose < NaCl < AgCl

  3. Cholesterol < Octane < Glucose < NaCl < AgCl

  4. AgCl < Cholesterol < Octane < NaCl < Glucose
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A Correct answer
Explanation

Octane being a saturated hydrocarbon, will be the least soluble, with cholesterol being slightly soluble owing to its unsaturation and partial charges. NaCl, the common salt, will be highly soluble as it readily electrolyses in water. Amongst AgCl and glucose, AgCl will be better dissolved in water owing to its polar nature and the non-polar nature of glucose.

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