MCQ
Lysine is least soluble in water in the $pH$ range
  • A
    $3$ to $4$
  • B
    $5$ to $6$
  • $6$ to $7$
  • D
    $8$ to $9$

Answer

Correct option: C.
$6$ to $7$
c
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,N{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{{H_2}NC{H_2}C{H_2}C{H_2}C{H_2}CHCOOH}
\end{array}$ , Lysine is least soluble in water in the $pH$ range $6-7$.

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