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Which of the following sequences ranks the structures below in order of increasing acidity?

A) 1 < 2 < 3
B) 2 < 3 < 1
C) 3 < 1 < 2
D) 2 < 1 < 3

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biodunphilips06

Answer:

Hi, no structure in the question was given to the answer the question.

Explanation:

Certain molecules or groups, when attached to an organic compound can make it become more acidic or less acidic. These groups are classified into 2

  • Electron withdrawing groups e.g the halogens F, Cl, Br and I. Fluorine is the best withdrawing group, next to chlorine and the least Iodine.
  • Electron donating groups e.g Alkyls and Phenyl groups

Electron withdrawing groups makes the carboxylic more acidic. Also, the closer the electron withdrawing groups to the proton in the acid also makes the acid more acidic. This electron withdrawing group allows the electron density around the oxygen atom to be decreased.

Electron donating group makes the carboxylic acid less acidic. The more alkyl groups in a carboxylic acid, the less acidic the acid becomes. This allows the electron density around the oxygen atom in to be increased.

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