What is the stock notation of Manganese dioxide?, Mn ( I ) O 2 , Mn ( II ) O 2 , Mn ( III ) O 2 , Mn ( IV ) O 2

The oxidation state of Mn in manganese dioxde ( MnO 2 ) is +4 . Hence, the stock notation is Mn ( IV ) O 2 .

What is the stock notation of Manganese dioxide?

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What is the stock notation of Manganese dioxide?

ChemistryRedox ReactionsMHT CETMHT CET 2023 (09 May Shift 2)

Options:

A $\quad \mathrm{Mn}(\mathrm{I}) \mathrm{O}_2$
B $\mathrm{Mn}(\mathrm{II}) \mathrm{O}_2$
C $\quad \mathrm{Mn}(\mathrm{III}) \mathrm{O}_2$
D $\mathrm{Mn}(\mathrm{IV}) \mathrm{O}_2$

Solution:

1099 Upvotes Verified Answer

The correct answer is: $\mathrm{Mn}(\mathrm{IV}) \mathrm{O}_2$

The oxidation state of $\mathrm{Mn}$ in manganese dioxde $\left(\mathrm{MnO}_2\right)$ is +4 . Hence, the stock notation is $\mathrm{Mn}(\mathrm{IV}) \mathrm{O}_2$.

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