Q. Which of the following is a tribasic acid?

A) H_{3}PO_{4}
B) HPO_{3}
C) H_{4}P_{2}O_{7}
D) H_{4}p_{2}O_{6}
Explanation

(a)
H_{3}PO_{4} is tribasic acid because it has three replaceable hydrogen atoms.
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Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.