Oxidation Number

How to find oxidation state of ${\mathrm{N}}_2{\mathrm{O}}_5$?

What is the change in oxidation state of carbon in the following reaction.

${\mathrm{CH}}_4\left(\mathrm{g}\right)+4{\mathrm{Cl}}_2\left(\mathrm{g}\right)\to {\mathrm{CCl}}_4\left(\mathrm{l}\right)+4\mathrm{HCl}\left(\mathrm{g}\right)$

Oxygen show how many oxidation states?

How to find oxidation number?

What is the change in oxidation number of carbon in the following reaction:

${\mathrm{CH}}_4\left(\mathrm{g}\right)+4{\mathrm{Cl}}_2\left(\mathrm{g}\right)\to {\mathrm{CCl}}_4\left(\mathrm{l}\right)+4\mathrm{HCl}\left(\mathrm{g}\right)$

The oxidation state of nickel in $\left[\mathrm{Ni}(\mathrm{CO}{)}_4\right]$ is

Write the structures of peroxodisulphuric acid and find out the oxidation number of sulphur in them.

Write the structures of peroxomonosulphric acid and find out the oxidation number of sulphur in them.

Find out the oxidation number of $\mathrm{S}$ in ${\mathrm{Na}}_2{\mathrm{S}}_2{\mathrm{O}}_3$.

Find out the oxidation number of $\mathrm{S}$ in ${\mathrm{SO}}_2{\mathrm{Cl}}_2$.

What is the oxidation number of phosphorus in ${\mathrm{H}}_3{\mathrm{PO}}_2$ molecule?

Describe the variation of oxidation state across a period.

What is the trend of oxidation number for elements in Group-$14$?

What is the trend of oxidation number for elements across period-$3$?

Give an example of limitation of oxidation number concept.

Write the limitation of oxidation number concept.

What is the similarities and the difference between the oxidation number and oxidation state.

Calculate the oxidation state of the alkaline earth metal in the compound $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$.

What is the oxidation state of the alkaline earth metal in the compound $\mathrm{MgO}$?

Give the usual oxidation state of alkaline earth metals.