Which Is NOT True for Isoelectric and Isoionic PH

question 1

Multiple Choice

Which is NOT true for isoelectric and isoionic pH?

• A)Isoionic pH is the pH of the pure,neutral,polyprotic acid.
• B)Isoelectric pH is the pH at which average charge of the polyprotic acid is +1.
• C)The hydronium concentration at the isoionic point is calculated with the equation )
• D)The pH at the isoelectric point is calculated with the equation pH = ½(pK₁ + pK₂).
• E)For the equation ,F is the formal concentration of the weak acid.

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