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The example is Iron. It can have a -2 oxidation state, in a complex compound called Sodium Tetracarbonylferrate = Na2Fe(CO)4

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When is the oxidation state of a metal indicated in the name of a compound?

When the metal can exist in more than one oxidation state


When is the oxidation state or a mental indicated in the game of compound?

The oxidation state of a metal is typically indicated numerically in a compound to show the charge on the metal atom. This is important for determining the reactivity and bonding behavior of the metal within the compound.


Is their any compound of zinc in which zinc have negative oxidation state?

No, there is no such compound


How does the oxidation state of a transition metal determined from chemical formula?

A pure metal has the oxidation state zero.


How is the oxidation state of a transition metal determined from the chemical formula?

The subscript of the second ion identifies the oxidation state of the transition metal


When is the oxidation state of a metal indicated in the name of the compound?

It is a method to distinguish different ions of a metal.


When is the oxidation state of metal indicated in the name of a compound?

It is a method to distinguish different ions of a metal.


When is the oxidation state of a metal indication in the name of a compound?

It is a method to distinguish different ions of a metal.


When Is the oxidation state of metal indicated in the name of the compound?

It is a method to distinguish different ions of a metal.


How are oxidation state of transition metals indicated in the names of metal compound?

Romann numerals are used: (I), (II)...


When is the oxidation state of metal indicated in the name of a comoound?

The oxidation state of a metal is indicated in the name of a compound when the metal can exhibit more than one oxidation state. This is commonly seen in transition metals and some post-transition metals, where Roman numerals are used to specify the oxidation state. For example, in iron(III) chloride (FeCl₃), the Roman numeral III indicates that iron has an oxidation state of +3. In contrast, if a metal has only one oxidation state, it is not typically specified in the compound's name.


When is the oxidation state of a metal indicated in the name of a compuond?

The oxidation state of a metal is indicated in the name of a compound if and when that metal has more than one oxidation states. The oxidation state is then indicated by a Roman numeral placed in parenthesis next to the metal (Stock System).