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Q. Consider the following sequence for aspartic acid :
The pI (isoelectric point) of aspartic acid is :Chemistry Question Image

JEE MainJEE Main 2016

Solution:

PH=pK1+pK22
=1.88+3.652
=5.532
=2.7652.77
At Isoelectric point of Aspartic Acid both carboxylic as well as amino from co-exist.