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An optically active amino acid (A) can exist in three forms depending on the pH of the medium. If the molecular
formula of (A) is C3H7NO2 write
(i) structure of compound (A) in aqueous medium. What are such ions called?
(ii) In which medium will the cationic form of compound (A) exist?
(iii) In alkaline medium, towards which electrode will the compound (A) migrate in electric field?

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