Which has the strongest conjugate base? Phenol 1.3 x 10-10 Formic 1.8 x 10-4 Lactic

Question

Which has the strongest conjugate base?

Phenol
1.3 x 10-10

Formic
1.8 x 10-4

Lactic
1.4 x 10-4

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Mít Mít 4 years 2021-08-10T17:37:29+00:00 1 Answers 12 views 0

Answers ( )

  1. Jezebel
    0
    2021-08-10T17:39:26+00:00
    Reply

    Answer:

    Phenol.

    Explanation:

    Hello there!

    In this case, for this question about the strength of the resulting conjugate base, it is possible for us to know that the higher the Ka (stronger aid) the weaker the conjugate base. In such a way, since the phenol has the smallest Ka (weakest acid) we infer that it has the strongest conjugate base.

    In addition to the aforementioned, the reason why phenol was the answer is because the Kb of its conjugate base is the greatest due to the Kb=Kw/Ka and thus, the smaller the Ka the bigger Kb.

    Regards!

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