Question

what is meant by bascitity of an acid
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Answer 1

Answer:

The basicity of an acid is the number of hydrogen ions, which can be produced by one molecule of the acid.

Answer 2

Answer:

$\blue{Basicity}$ of an acid is the number of hydrogen ions (or hydronium ions) formed when one molecule of that acid is added to water.

The Basicity of acids like HCl, HNO3, HF is 1 and they are known as $\red{Monobasic\: acid}$.

The Basicity of acids like H2SO4, H3PO3 is 2 and they are known as $\green{Dibasic\: acid}$.

The Basicity of H4SiO4 is 4.

Hope this helps you.