List of practice Questions

The oxidation state of Cr in CrO₆ is :

The correct structure of tribromooctaoxide is

The correct order of N-compounds in its decreasing order of oxidation states is

Which of the following statements is not true for halogens ?

Consider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below :

Then the species undergoing disproportionation is

The oxidation states of sulphur in the anions $SO _{3}{ }^{2-}, S _{2} O _{4}{ }^{2-}$ and $S _{2} O _{6}{ }^{2-}$ follow the order -

The oxidation of toluene to benzaldehyde by chromyl chloride is called

The oxidation number of chromium in potassium dichromate is

The oxidation state of Cr in $K_2Cr_2O_7 $ is