Amino acids are soluble in polar solvents due to their zwitterionic nature.
• Arginine is a polar amino acid and exists as a zwitterion in aqueous solutions.
• It is not soluble in nonpolar solvents like benzene.
• It has multiple pKa values, high melting point, and exists as a crystalline solid
Match List-I with List-II: List-I
The correct increasing order of stability of the complexes based on \( \Delta \) value is:

