Rank these molecules in order of expected solubility in water (most soluble to l

Question

Rank these molecules in order of expected solubility in water (most soluble to least soluble): Rank these molecules in order of boiling point (highest to lowest): Rank these molecules in order of heat of hydrogenation (most exothermic to least exothermic): Rank these molecules in order of the amount of its conjugate base that would be present in a 0.1 M aqueous solution: Rank these species in order of basicity (most basic to least basic): Rank these starting materials in order of their rate of reaction when added to 1 equivalent of HBr (most reactive to least reactive): Rank these molecules in order of their expected rate of reaction when exposed to light in the presence of Cl_2 (fastest rate of reaction to slowest rate of reaction): Rank these molecules in order of their acidity (most acidic to least acidic):

Explanation / Answer

1) I > III > II ( A compound having hydrogen bonding is more soluble in water.)

2) I > III > II (alcohols have hydrogen bonding so it has highest boiling point.)

3) III > II > I (Least stable alkenes releases more energy for hydrogenation. so more substituted alkenes releases less energy than least substituted alkenes. trans alkenes are more stable than cis-alkenes.)

4) option AB is correct

5) I > III > II (negatively charged species are more basic than uncharged species.)

6) III > II > I ( more stable tha carrbocation, more reactive will be the alkene.)

7) III > II > I (more stable the free radical, more reactive will be the alkanes.)

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