Which of the following solutions will turn violet when a drop of lime juice is added to it?

  • A
    $A$. $A$ solution of $NaI$
  • B
    $B$. $A$ solution mixture of $KI$ and $NaIO_{3}$
  • C
    $C$. $A$ solution mixture of $NaI$ and $KI$
  • D
    $D$. $A$ solution mixture of $KIO_{3}$ and $NaIO_{3}$

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Which product is obtained during the reaction of $MnO_4^-$ with $I^-$ in a faintly alkaline condition?

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