Types of Redox Reactions

Which of the following pairs can be distinguished by the action of heat?

I. ${\mathrm{Na}}_2{\mathrm{CO}}_3$ and ${\mathrm{CaCO}}_3$

I. ${\mathrm{MgCl}}_2·6{\mathrm{H}}_2\mathrm{O}$ and ${\mathrm{CaCl}}_2·6{\mathrm{H}}_2\mathrm{O}$

III. $\mathrm{Ca}{\left({\mathrm{NO}}_3\right)}_2$ and ${\mathrm{NaNO}}_3$

${\mathrm{H}}_2{\mathrm{O}}_2⟶{\mathrm{H}}_2\mathrm{O}+{\mathrm{O}}_2$
This represents

Which of the following is not a redox reaction?

Which one of following is a disproportionation reaction:

Which one of the following is an example of disproportionation reaction?

Which of the following represents disproportionation of potassium chlorate?

Which species among the following doesn't show disproportionation reactions?

Which of the following can act as oxidising as well as reducing agent depending on acidic and basic medium.

Which of the following reactions are disproportionation reactions?

$\left(\mathrm{a}\right) {\mathrm{Cu}}^{+}\underset{\mathrm{medium}}{\overset{\mathrm{aqueous}}{\to }}{\mathrm{Cu}}^{2+}\left(\mathrm{aq}\right)+\mathrm{Cu}$

$\left(\mathrm{b}\right) 3{\mathrm{MnO}}_4^{2-}+4{\mathrm{H}}^{+}⟶2{\mathrm{MnO}}_4^{-}+{\mathrm{MnO}}_2+2{\mathrm{H}}_2\mathrm{O}$

$\left(\mathrm{c}\right) 2{\mathrm{KMnO}}_4\stackrel{\mathrm{\Delta }}{⟶}{\mathrm{K}}_2{\mathrm{MnO}}_4+{\mathrm{MnO}}_2+{\mathrm{O}}_2$

$\left(\mathrm{d}\right) 2{\mathrm{MnO}}_4^{-}+3{\mathrm{Mn}}^{2+}+2{\mathrm{H}}_2\mathrm{O}⟶5{\mathrm{MnO}}_2+4{\mathrm{H}}^{+}$

Non metal which do not give disproportionation reaction with $\mathrm{NaOH}$ is -

The reaction, $3{\mathrm{ClO}}_{\left(\mathrm{aq}\right)}^{-}⟶{\mathrm{ClO}}_{3\left(\mathrm{aq}\right)}^{-}+2{\mathrm{Cl}}_{\left(\mathrm{aq}\right)}^{-}$, is an example of :

${\mathrm{MnO}}_4^{2-}(1 \mathrm{mole})$ in neutral aqueous medium disproportionates to :

In which of the following reactions, hydrogen peroxide acts an oxidizing agent?

Which of the following is not an example of disproportionation :

When ${\mathrm{Cl}}_2$ gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from:

The product which is not common in (i.e. present in one but not in the other) both the reactions is :

Which of the following is a disproportionation reaction?

On heating ${\mathrm{NaNO}}_3$ gives -

Which of the following species undergoes non redox thermal decomposition reaction on heating ?

Which reaction does not represent auto redox or disproportionation ?