Question

Basicity of ortho phosphoric acid is:-

Options

• 2

• 3

• 4

• 5

Answer 1

3

Explanation:

H₃PO₄ is tribasic.

\[\begin{array}{cc}
\phantom{}\ce{O}\\
\phantom{}||\\
\phantom{}\ce{P}\\
\phantom{.}/\phantom{..}|\phantom{...}\backslash\phantom{}\\
\phantom{..}\ce{HO}\phantom{.}\ce{OH}\phantom{.}\ce{OH}
\end{array}\]