AIIMS AIIMS Solved Paper-2006

  • question_answer
    Lysine is least soluble in water in the pH

    A)  3 to 4                   

    B)         5 to 6   

    C)         6 to 7                   

    D)         8 to 9

    Correct Answer: C

    Solution :

    Lysine is \[\alpha \], E-diamino caproic acid. \[{{H}_{2}}N-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}CH(N{{H}_{2}})COOH\] It is least soluble in water in the pH range 6-7.


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