Carboxylic Acids and their Derivatives - Result Question 33

####19. Statement I $p$-hydroxybenzoic acid has a lower boiling point than $o$-hydroxybenzoic acid.

Statement II $o$-hydroxybenzoic acid has intramolecular hydrogen bonding.

(2007, 3M)

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Answer:

Correct Answer: 19. (a)

Solution:

  1. $p$-hydroxy benzoic acid has higher boiling point than $o$-hydroxy benzoic acid because former prefers intermolecular $H$-bonding while the latter prefer intramolecular $H$-bonding. intermolecular $H$-bonding


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