Question

The product of the oxidation of I$^-$ with MnO$_4^-$ in alkaline medium is:

• A. IO$_4^-$
• B. I$_2$
• C. IO$^-$
• D. IO$_3^-$

Hint:

In oxidation reactions with MnO$_4^-$, the halide is typically oxidized to a higher oxidation state, often leading to periodate (IO$_4^-$) in alkaline conditions.

Answer 1

The Correct Option is A

In an alkaline medium, the oxidation of iodide ions (I$^-$) by permanganate ions (MnO$_4^-$) yields iodate (IO$_3^-$) and subsequently periodate (IO$_4^-$). This exemplifies the characteristic oxidation of halides by MnO$_4^-$ under basic conditions. Therefore, the resultant product is IO$_4^-$, corresponding to option (A).