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In this case the roman numerals indicate the oxidation state of the cation portion of the polyatomic ion: [Fe(II)O2]2- as opposed to [Fe(III)O2]1- Mn(II)=Mn2+

Mn(VII)=Mn7+

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Nasir Sipes

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Henriette Pagac

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2y ago

In this case the roman numerals indicate the oxidation state of the cation portion of the polyatomic ion: [Fe(II)O2]2- as opposed to [Fe(III)O2]1- Mn(II)=Mn2+

Mn(VII)=Mn7+

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Q: Why roman must be included in the names of MnO2 and Mn2O7?
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Related questions

What compound is more acidic Mn2O7 or MnO2?

Mn2O7is more acidic.


Why Roman numerals must be included in the names of MnO2 and Mn2O7?

I think what you are talking about is the number of atoms of each element in the named compounds. This is usually written with the numbers slightly below the atomic symbol but this is impossible to do on a computer screen and improvising other ways leads to confusion. Compound #1 is Manganese Dioxide; #2 could be called DiManganese Heptoxide.


What is the chemical formula for manganese II chloride?

Permanganic compounds contain manganese in a +7 oxidation state. Since oxygen in oxides always has a -2 oxidation state, the formula for permanganic oxide is Mn2O7.


Manganese II ion formula?

the formula for manganese II ion is Mn 2+ .it is a positively charged ion


Is MnO2 a compound?

Yes, MnO2 is a compound, manganese dioxide.


Hydrogen peroxide H2O2 can be quickly decomposed using MnO2 water and oxygen result MnO2 which is unchanged can then be filtered out of the solution MnO2 is the what?

Catalyst.


What type of substance is MnO2?

MnO2 is a black solid oxide of manganese with catalytic applications.


What is the formula for MnO2?

Well, tne chemical formula is MnO2. If you mean the name of it, that is manganese dioxide.


Rank these items in order of increasing oxidation number for manganese Mn KMnO4 MnO2?

MnO2: oxidation number +4KMnO4: oxidation number +7


What is the chemical formula for MnO2?

Well, tne chemical formula is MnO2. If you mean the name of it, that is manganese dioxide.


What color is MnO2?

Black


What would happen if MnO2 was mixed with KBrO3 and 9M sulfuric acid?

The reaction for MnO2 mixed with KBrO3 and 9M sulfuric acid is as follows: 2KI + MnO2 + H2SO4 --> I2 +MnSO4 + K2SO4 + 2H2O.