Matching -Phosphate (PK₁ = 2.15, PK₂ = 6.82, and PK₃ =

question 32

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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