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  4. Compare the boiling points of 1. n-butylamine 2. n-butyl alcohol 3. pentane

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Q. Compare the boiling points of

1. n-butylamine

2. n-butyl alcohol

3. pentane

NTA AbhyasNTA Abhyas 2020Chemical Bonding and Molecular Structure

Solution:

N is less electropositive than O, therefore, the H-bonds in the amine (1) are weaker than those in n-butyl alcohol. H-bonding is not possible in pentane (3). Here the boiling point order is as follows

(2) n-butyl alcohol > (1) n-butylamine > (3) pentane