Oxidation numbers of Mn in its compounds MnCl2, Mn(OH)3, MnO2 and KMnO4 respectively are

Question

Oxidation numbers of Mn in its compounds MnCl2, Mn(OH)3, MnO2 and KMnO4 respectively are (A) +2, +4, +7, +3 (B) +2, +3, +4, +7 (C) +7, +3, +2, +4 (D) +7, +4, +3, +2

Tardigrade Admin · Accepted Answer

MnCl2 → x + (-2) = 0 ⇒ x = +2 Mn(OH)3 → x + (-3) = 0 ⇒ x = +3 MnO2 → x + (-4) = 0 ⇒ x = +4 KMnO4 → +1 + x + (-8) = 0 ⇒ x = +7

Q. Oxidation numbers of Mn in its compounds $M n C l_{2}$ , $M n (O H)_{3}$ , $M n O_{2}$ and $K M n O_{4}$ respectively are

+2, +4, +7, +3

+2, +3, +4, +7

+7, +3, +2, +4

+7, +4, +3, +2

$M n C l_{2} \to x + (- 2) = 0 \Rightarrow x = + 2$
$M n (O H)_{3} \to x + (- 3) = 0 \Rightarrow x = + 3$
$M n O_{2} \to x + (- 4) = 0 \Rightarrow x = + 4$
$K M n O_{4} \to + 1 + x + (- 8) = 0 \Rightarrow x = + 7$

Q. Oxidation numbers of Mn in its compounds MnCl2​, Mn(OH)3​, MnO2​ and KMnO4​ respectively are