Redox Reactions

Which of the following statement is incorrect regarding the equation $\mathrm{MeCHO}+\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]^{+}+\overset{\bar{}}{O}H\longrightarrow\,\mathrm{MeCOO}^{-}+\mathrm{Ag}$

Volume of $\mathrm{M} / 8 \mathrm{KMnO}_4$ solution required to react completely with $25.0 \mathrm{~cm}^3$ of $M / 4 \mathrm{FeSO}_4$ in acidic medium is.

What is the stoichiometric coefficient of $\mathrm{SO}_2$ in the following balance reaction? $\mathrm{MnO}_4^{-}(a q)+\mathrm{SO}_2(g) \longrightarrow \mathrm{Mn}^{2+}(a q)+\mathrm{HSO}_4^{-}(a q)$ (in acidic solution)

Which of the following is only a redox reaction but not a disproportionation reaction?

For the reaction: $\mathrm{NH}_{3}+\mathrm{OCl}^{-} \rightarrow \mathrm{N}_{2} \mathrm{H}_{4}+\mathrm{Cl}^{-}$in basic medium, the coefficients of $\mathrm{NH}_{3}, \mathrm{OCl}^{-}$and $\mathrm{N}_{2} \mathrm{H}_{4}$…

Which of the following is not a disproportionation reaction?

$0\cdot 45 g$ acid of molecular mass $90$ was neutralise by $20$ $\text{ml}$ of $0\cdot 5 N \text{KOH}$. The basicity of the acid is

Which of the following statement is incorrect regarding the equation $\text{MeCHO} +{[\text{Ag} {({\text{NH} }_{3})}_{2}]}^{+}+\vec{O}H⟶{\text{MeCOO} }^{-}+\text{Ag}$

$4 g$ of copper was dissolved in $ \text{conc} \cdot {\text{HNO} }_{3}$. The copper nitrate thus obtained gave $5 g$ of its oxide on strong heating the equivalent weight of copper is

The ratio of oxidation states of $\mathrm{Cl}$ in potassium chloride to that in potassium chlorate is

Volume of $3 \%$ solution of sodium carbonate necessary to neutralise a litre of $0.1 \mathrm{~N}$ sulphuric acid

The oxidation state of sulphur in $\mathrm{Na}_{2} \mathrm{~S}_{4} \mathrm{O}_{6}$ is