The oxidation number of Mn in KMn O_4 is - Vidyadip

MCQ

The oxidation number of $Mn$ in $KMn{O_4}$ is

✓
$+7$
B
$-7$
C
$+1$
D
$-1$

✓

Answer

Correct option: A.

$+7$

(a) $\mathop {KMn{O_4}}\limits^{ * \,\,\,} $

$1 + x - 2 \times 4 = 0$; $x = 8 - 1 = + 7$.

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