Matching -Phosphate (PK₁ = 2.15,pK₂ = 6.82,and PK₃ = 12.38)will Be

Matching

-Phosphate (pK₁ = 2.15,pK₂ = 6.82,and pK₃ = 12.38) will be mostly in the HPO₄^2- form at pH 7.2.At pH 5.82 it is mostly in the ______ form.

A) hydrogen bond
B) rotational
C) H₃PO₄
D) H₂PO₄^–
E) HPO₄ ^2–
F) disordered
G) positive entropy
H) negative entropy
I) higher electronegativity
J) insoluble
K) tetrahedral arrangement
L) acid
M) base
N) only partially ionized