Q. The conjugate base of $H_{2}PO_{4}^{-}$ is
A) $H_{3}PO_{4}$
B) $P_{2}O_{5}$
C) $PO_{4}^{3 -}$
D) $HPO_{4}^{2 -}$
Explanation
The correct answer is Option D: $HPO_{4}^{2 -}$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.