Question:
Which from following is a correct decreasing order of water solubilities of organic compounds?
Which from following is a correct decreasing order of water solubilities of organic compounds?
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More hydrogen bonding = more water solubility.
Updated On: Apr 26, 2026
- Alcohols \(>\) Amines \(>\) Alkanes
- Alkanes \(>\) Alcohols \(>\) Amines
- Amines \(>\) Alcohols \(>\) Alkanes
- Alcohols \(>\) Alkanes \(>\) Amines
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The Correct Option is A
Solution and Explanation
Concept:
Solubility in water depends on hydrogen bonding with water molecules. Step 1: Analyze hydrogen bonding ability.
Step 2: Compare polarity. \[ \text{Alcohols}>\text{Amines}>\text{Alkanes} \]
Step 3: Conclusion. Correct order is option (A).
Solubility in water depends on hydrogen bonding with water molecules. Step 1: Analyze hydrogen bonding ability.
- Alcohols â strong H-bonding (O-H group)
- Amines â moderate H-bonding (N-H)
- Alkanes â no H-bonding
Step 2: Compare polarity. \[ \text{Alcohols}>\text{Amines}>\text{Alkanes} \]
Step 3: Conclusion. Correct order is option (A).
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