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

question 41

Multiple Choice

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

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