. How are the acids classified according to number of hydrogen atoms?

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. How are the acids classified according to number of hydrogen atoms?

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Answer 1 · 2018-02-18T03:09:31

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Explanation:

Acids are classified on the basis of basicity.

Basicity refers to the number of replaceable [H^+] ions in an acid which are attached with an highly electronegative element such as oxygen which can be replaced by a base.

Basicity is also called proticity.

On the basis of basicity , they are divided into following categories :-

1) Monobasic or Monoprotic
Example $\to$ $->$ Hydrochloric acid ( $H C l$ $HCl$ ).
$H C l$ $HCl$ has one replaceable $[H^{+}]$ $[H^+]$ ion.

2) Dibasic or Diprotic
Example $\to$ $->$ Sulphuric acid ( $H_{2} S O_{4}$ $H_2SO_4$ ).
$H_{2} S O_{4}$ $H_2SO_4$ has two replaceable $[H^{+}]$ $[H^+]$ ions.

3) Tribasic or triprotic
Example $\to$ $->$ Phosphoric acid ( $H_{3} P O_{4}$ $H_3PO_4$ ).
$H_{3} P O_{4}$ $H_3PO_4$ has three replaceable $[H^{+}]$ $[H^+]$ ions.

The basicity or number of replaceable $[H^{+}]$ $[H^+]$ ions for an acid can be seen by drawing the Lewis structure of that acid.

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. How are the acids classified according to number of hydrogen atoms?

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