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JEE Mains · Chemistry · STD 12 - 10. Biomolecules

એસ્પાર્ટિક એસિડ માટે નીચેની શ્રેણી ધ્યાનમાં લો એસ્પાર્ટિક એસિડનું \(pI\) (સમવિભવ બિંદુ) જણાવો.

  1. A \(3.65\)
  2. B \(2.77\)
  3. C \(5.74\)
  4. D \(1.88\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(2.77\)

Step-by-step Solution

Detailed explanation

In the given reaction sequence \(pH\,=\,\frac{p{{K}_{1}}\,+\,p{{K}_{2}}}{2}\,=\,\frac{1.88\,+\,3.65}{2}\) \(=\frac{5.53}{2}\,=\,2.675\,\approx \,2.77\) At isoelectric point of aspartic acid both carboxylic as well as amino form co-exist.
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