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The _____ of a weak acid is strong.

a. conjugate acid
b. conjugate base
c. acid
d. base

1 Answer

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Answer: conjugate base

Step-by-step explanation:

According to the Bronsted-Lowry conjugate acid-base theory, an acid is defined as a substance which looses donates protons and thus forming conjugate base and a base is defined as a substance which accepts protons and thus forming conjugate acid.

A weak acid has a strong conjugate base whereas a strong acid has a weak conjugate base. Similarly a weak base has a strong conjugate acid whereas a strong base has a weak conjugate acid.


CH_3COOH+NH_3\rightarrow CH_3COO^-+NH_4^+

Acetic acid
CH_3COOH is weak acid which has strong conjugate base
CH_3COO^-

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