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An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?
  • a)
    Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution.
  • b)
    Glutamic acid migrates to cathode and others remain uniformly distributed in solution.
  • c)
    All three remain uniformly distributed in solution.
  • d)
    All three move to cathode
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An electric current is passed through an aqueous solution of a mixture...
At pH = 6, glutamic acid exists as a dianionic species & migrates to anode while arginine exists as cationic species & moves to cathode. Alanine does not migrate to any electrode at its isoelectric point .
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An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?a)Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution.b)Glutamic acid migrates to cathode and others remain uniformly distributed in solution.c)All three remain uniformly distributed in solution.d)All three move to cathodeCorrect answer is option 'A'. Can you explain this answer?
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An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?a)Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution.b)Glutamic acid migrates to cathode and others remain uniformly distributed in solution.c)All three remain uniformly distributed in solution.d)All three move to cathodeCorrect answer is option 'A'. Can you explain this answer? for 2024 is part of preparation. The Question and answers have been prepared according to the exam syllabus. Information about An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?a)Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution.b)Glutamic acid migrates to cathode and others remain uniformly distributed in solution.c)All three remain uniformly distributed in solution.d)All three move to cathodeCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0) glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?a)Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution.b)Glutamic acid migrates to cathode and others remain uniformly distributed in solution.c)All three remain uniformly distributed in solution.d)All three move to cathodeCorrect answer is option 'A'. Can you explain this answer?.
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