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Solution


Q.

Which is not true for arginine           [2023]
1 It has a fairly high melting point.  
2 It has high solubility in benzene.  
3 It is associated with more than one pKa values.  
4 It is a crystalline solid.  

Ans.

(2)

Arginine exist as zwitter ion and such ionic compounds are insoluble in non polar solvent like “benzene”.