question_answer

The basicity of \[{{H}_{3}}P{{O}_{4}}\] is

A)  2                                            

B)  3

C)  4                                            

D)  5

Correct Answer: B

Solution :

                 The structure of \[{{H}_{3}}P{{O}_{4}}\]is It can loose three \[{{\text{H}}^{\text{+}}}\]ions so, its basicity is three.