Oxidation State Rules

Question 1

The more electronegative element is given which oxidation state?

Answer 1

Negative oxidation state

Question 2

What is the oxidation state of atoms in elements e.g. N(2) ?

Answer 2

0

Question 3

What is the sum of the oxidation states in a compound

Answer 3

0

Question 4

What does the sum of the oxidation states in a complex Ion equal

Answer 4

The charge on the iron.

SO(4)^2-

Question 5

What is the oxidation state of hydrogen normally

Answer 5

+1

Question 6

When is the hydrogen atom not +1 for oxidation state

Answer 6

When it is in the metal hydride for example NaH where it is -1

Question 7

What is the oxidation state for group 1 elements always

Answer 7

+1

Question 8

What is the oxidation state for atoms in group 2 always

Answer 8

+2

Question 9

What is the oxidation state of aluminium always

Answer 9

+3

Question 10

What is the usual oxidation state of oxygen

Answer 10

-2

Question 11

When is the oxidation state of oxygen not -2

Answer 11

When it is in peroxides and compounds with F where it is -1

Question 12

What is your oxidation state of fluorine

Answer 12

-1

Question 13

What is the usual oxidation state of chlorine

Answer 13

-1

Question 14

What is the oxidation state of chlorine when is not -1

Answer 14

It is not -1 in compounds with fluorine or oxygen where it has a positive value