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How to solve this problem- Among the following compounds most basic amino acid is :

Among the following compounds most basic amino acid is :

  • Option 1)

    Lysine 

  • Option 2)

    Serine 

  • Option 3)

    Histidine 

  • Option 4)

    Asparagine 

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Basic Strength of Amines -

The basic strength of the amine is expressed as equilibrium constant Kb 

K_{b}=\frac{[RNH_{3}^{+}][OH^{-}]}{[RNH_{2}]}

- wherein

As we have learned in amino acids the PI value of the compounds are

Histidine ----7.6

 Asparagine ---5.4

Serine ------5.7

Lysine -----9.8

There fore Lysine is the mos tbasic


Option 1)

Lysine 

Option 2)

Serine 

Option 3)

Histidine 

Option 4)

Asparagine 

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