The pK_(al) and pK_(a_2)of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of amino acid is

The pK_(al) and pK_(a_2)of an amino acid are 2.3 and 9.7 respectively.

1.	The pK_(al) and pK_(a_2)of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of amino acid is
Answer» `12` `7.4` ` 6.0 ` ` 3.7` Solution :ISOELECTRIC POINT `=(1)/(2)(pKa_1 +pKa_2)` ` =(1)/(2)[2.3 +9.7 )=6`