Types of Redox Reactions

Which of the following options are correct for the reaction?

$2{\left[\mathrm{Au}(\mathrm{CN}{)}_2\right]}^{-}\left(\mathrm{aq}\right)+\mathrm{Zn}\left(\mathrm{s}\right)\to 2\mathrm{Au}\left(\mathrm{s}\right)+{\left[\mathrm{Zn}(\mathrm{CN}{)}_4\right]}^{2-}\left(\mathrm{aq}\right)$

A. Redox reaction

B. Displacement reaction

C. Decomposition reaction

D. Combination reaction

Choose the correct answer from the options given below:

Soluble salt like sodium sulphite can be prepared in the laboratory by the process of:

Which of the following is not a redox 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 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 :

When white phosphorus reacts with $\mathrm{NaOH}$, phosphine gas is released along with a compound $\mathrm{X}$. Compound X on reaction with $\mathrm{HCl}$ form an acid $\mathrm{Y}$. What is the basicity of $\mathrm{Y}$?

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 ?