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  • Given: pK1 (alpha-COOH) = 2.4 and pK2 (alpha-NH2+) = 9.8 ...
Multiple choice

Given: pK1 (alpha-COOH) = 2.4 and pK2 (alpha-NH2+) = 9.8 From the information, calculate the isoelectric pH (pI) of Glycine.

  1. 2.4

  2. 9.8

  3. 6.1

  4. 7.4

  5. 23.52
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The isoelectric pH (pI) lies midway between the pKa of both the functional groups.

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