Gouri Shankar posted an Question
December 10, 2020 • 14:43 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Strongest bronsted acid among the following

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    Ashutosh singh best-answer

    I think (D) will be the strongest bronsted acid of all. It's a close call between C and D. But, in C, we don't have any EWG as we have in D i.e Cl. Also, in C, we have +R effect of Benzene which further destabilizes the anion after deprotonation.

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    Dinesh khalmaniya 1

    3>2>1 Explanation- A Brønsted-Lowry base is any species that can accept a proton from another molecule. In short, a Brønsted-Lowry acid is a proton donor (PD), while a Brønsted-Lowry base is a proton acceptor (PA). Here benzoic acid is more acidic than phenol. and Cl increase the acidity due to -I effect. Benzoic acid is a stronger acid than phenol because the benzoate ion is stabilised by two equivalent resonance structures in which the negative charge is present at the more electronegative oxygen atom. ... Thus, the benzoate ion is more stable than phenoxide ion. Hence, benzoic acid is a stronger acid than phenol.

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