- #1
RichRobX
- 11
- 0
When writing oxidation states, is there a difference between 2+ and +2?
dextercioby said:Even with Roman numerals,u still need the sign.Dor example Sulphur:[tex] S^{II} [/tex] is it for a metalic compound or for a nonmetalic compound...?
Daniel.
I must say that I have never come across Roman Numerials in formulae either. Is there an reason to use one instead of the other or are they interchangeable?Gokul43201 said:I have never come across the notation, [itex]Fe^{+II} [/itex] , for example. I've usually seen Roman Numerals designate oxidation states in complexes, but then the oxidation state appears in brackets, not as a superscript.
Ex : dichlorotetramminecobalt(III) chloride
Oxidation state 2+ and +2 are essentially the same thing. The "+" symbol is usually written before the number to indicate the positive charge of the ion, but it can also be written after the number. So, +2 and 2+ are interchangeable and represent the same oxidation state.
Oxidation states are determined by assigning a charge to each atom in a compound based on the electronegativity of the elements and the number of valence electrons. For example, in NaCl, sodium has an oxidation state of 1+ because it tends to lose 1 electron to become more stable, and chlorine has an oxidation state of 1- because it tends to gain 1 electron to become more stable.
Yes, an element can have multiple oxidation states. This is because oxidation states are dependent on the environment and the other elements it is bonded to. For example, iron can have oxidation states of 2+, 3+, and even 6+ depending on the compound it is in.
The oxidation state of an element can affect its reactivity, solubility, and other chemical properties. For example, a compound with a higher oxidation state may be more reactive and have stronger bonds, while a compound with a lower oxidation state may be more soluble in water.
Yes, oxidation states can change in a chemical reaction. This is because during a reaction, electrons are transferred between atoms, causing their oxidation states to change. This change in oxidation state is what drives many reactions and determines the products that will be formed.