A) monobasic
B) dibasic
C) tribasic
D) tetrabasic
Correct Answer: C
Solution :
Key Idea: For oxyacids no. of OH groups in structure = basicity Orthophosphoric acid is \[{{H}_{3}}P{{O}_{4}}\] \[{{H}_{3}}P{{O}_{4}}\] \[\because \] \[{{H}_{3}}P{{O}_{4}}\]has 3-OH groups in structure \[\therefore \] It is tribasic acid.You need to login to perform this action.
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