Titration curves of amino acids Quiz 2 – Flashcards

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question
What would happen if an amino acid in zwitterion form was placed in highly acidic solution? A) The amino group will be protonated B) The amino group will be deprotonated C) The carboxylic acid will be protonated D) The carboxylic acid will be deprotonated E) nothing
answer
C) The carboxylic acid will be protonated
question
Before beginning the titration the initial volume of deionized water is pH adjusted with _____ acid
answer
3M HCl
question
What is the titrant (base) used in the experiment? A) NaOH B) KOH C) CaOH D) Mg(OH)2
answer
B) KOH
question
Choose the term that explains a point during titration where a single drop of titrant can cause an extreme pH change? A) Maximum titration point B) Optimum titration point C) Equivalence point D) pH point dependent
answer
C) Equivalence point
question
Explain what the MAIN problem arising from rapid addition of titrant to solution
answer
It will cause the pH to rise so quickly you will pass the equivalence point and not know
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