Question

HELPP
What is the oxidation number of Chlorine in NaClO4?

Answer 1

To find the oxidation. States do the the following:

Count the atoms in the molecule
Na = 1
Cl = 1
O = 4

Now
Oxygen has oxidation state of -2 and there's four atoms so that's -8

Sodium has an oxidation state of =1

1+-8 = -7

Now we know that the oxidation states must sum up to be zero.

So -7+7 = 0

So chlorine must have I guess 7

Answer 2

@photon336
Which of the following reactions is not an example of an oxidation-reduction reaction?

H2 + F2 yields 2HF
Fe + CuSO4 yields FeSO4 + Cu
CuSO4 + 2NaOH yields Cu(OH)2 + Na2SO4
Cl2 + ZnI2 yields ZnCl2 + I2
what about this

Answer 3

i think its the 3rd one but im not sure @photon336

Answer 4

Not sure I think it's the second one