Redox Reactions...

For the redox reaction
$$Mn{O}_{4}^{-}+{C}_{2}{O}_{4}^{2-}+{H}^{+}\rightarrow {Mn}^{2+}+{CO}_{2}+{H}_{2}O$$ the correct coefficients of the reactants for the balanced reaction are

The oxidation states of the most electronegative element in the products of the reaction of $$Ba{O}_{2}$$ with dilute $${H}_{2}{SO}_{4}$$ are

The atomic number of an element which shows the oxidation state of $$+3$$ is

Which of the following reactions involves oxidation-reduction

The number of electrons involved in the reduction of $${Cr}_{2}{O}_{7}^{2-}$$ in acidic solution to $${Cr}^{3+}$$ is

$${M}^{+3}$$ ion loses $$3{e}^{-}$$. Its oxidation number will be

In which of the compounds does hydrogen have an oxidation state of -1?

In which of the following pair of compounds, oxidation number of chromium is same?

Oxidation number of sulphur in peroxy mono sulphuric acid $$(H_2SO_5)$$ is:

The correct sequence of the oxidation state of underlined element is: