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"Alcohols, ethers and epoxides having less than or 5 carbon atoms are water soluble because they each have an oxygen atom capable of hydrogen bonding."

"Alcohols, ethers and epoxides having more than 5 carbon atoms are insoluble because the non-polar alkyl portion is too large to dissolve in water"

Source: Organic chemistry (second edition) by Janice Gorzynski Smith

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7y ago
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12y ago

1- Pentanol is more soluble than 1-Heptanol because the 1-Heptanol has more C's in the longest chain than Pentanol.

Pentanol = Ch3Ch2Ch2Ch2Ch2OH 5 Carbons

Heptanol = Ch3Ch2Ch2Ch2Ch2Ch2Ch2OH 7 Carbons

The more carbons, the less soluble in water.

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9y ago

Butanol is more soluble then pentanol due to the number of carbon atoms in the molecular chain. Butanol has four carbon atoms while pentanol has five carbon atoms.

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Q: Which is less soluble in water 1-pentanol or 1-heptanol?
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