Question

Explain conjugate acid and conjugate base....

Answer 1

A conjugate acid, within the Brønsted–Lowry acid–base theory, is a species formed by the reception of a proton (H+) by a base—in other words, it is a base with a hydrogen ion added to it.


Conjugate base: substance formed when an acid loses a hydrogen ion. Considered a base because it can gain a hydrogen ion to reform the acid.

Answer 2

CONJUGATE ACID AND CONJUGATE BASE
In this example, sulfuric acid ( H2SO4 ) is an acid because it "donates" H+ to the water. It becomes the hydrogen sulfite ion ( HSO−4 ) which is the conjugate base of sulfuric acid. Ammonia ( NH3 ) is a base because is "accepts H+ from water to come its conjugate acid, the ammonium ion ( NH+4 ).
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