4. What is the oxidation no of Fe in the compound Ca2(Fe(CN)6).and also give it's iupac name

Q. Write the chemical equation for the oxidation of cyclohexene with acidified $KMn{O}_4$ and also give IUPAC name of the compound formed.

Q. In the co-ordination compound $N{a}_4$$\left[Fe\right)CN{)}_{5}NOS]$ oxidation state of $Fe$ is:

Q. Calculate the Oxidation number of $Fe$ in the compound.
$\left[Fe\left(No\right){\left(H_{2}O\right)}_5\right]{SO}_4$

Q. Give the name of the complex compound $K_3\left[Fe{\left(C_2{O}_4\right)}_3\right]$ according to IUPAC system:

Q. What will be the IUPAC name of give compound