Redox Flashcards
Oxidation state of uncombined elements
0
Oxidation state of monatomic ions
their charge
Oxidation state of componds
overall charge
Oxidation state of group 1 atoms
+1
Oxidation state of group 2 atoms
+2
Oxidation state of fluorine
-1
Oxidation state of hydrogen
+1
Oxidation state of oxygen
-2
Oxidation state of chlorine
-1
What is the rules of priority for oxidation states?
1-9 reflects priority (chlorine is least prioritised)
What is the order of priority for oxidation states?
- uncombined elements
- monatomic elements
- compounds
- group 1 atoms
- group 2 atoms
- fluorine
- hydrogen
- oxygen
- chlorine
How do you remember the priority order for oxidation state rules 6-9?
Fairies
Hate
Orange
Clover
fluorine
hydrogen
oxygen
chlorine
If oxidation number increases, the element has been…
oxidised
If oxidation number decreases, the element has been…
reduced
If oxidation states of elements change it is a ________ reaction
redox