The correct IUPAC name of $\mathrm{K}_2 \mathrm{MnO}_4$ is
Solution
<p>$$\begin{aligned}
& \mathrm{K}_2 \mathrm{MnO}_4 \\
& 2+\mathrm{x}-8=0 \\
& \Rightarrow \mathrm{x}=+6
\end{aligned}$$</p>
<p>$\mathrm{O.S.}$ of $\mathrm{Mn}=+6$
<p>IUPAC Name $=$</p>
<p>Potassium tetraoxidomanganate(VI)</p>
About this question
Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals
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