Redox Reactions

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

The oxidation number of the underlined atom in thefollowing species (Identify the incorrect statement)

The redox reaction among the following is

Chlorine undergoes disproportionation in alkaline medium as shown below : $\mathrm{aCl}_{2}(g)+\mathrm{bOH}^{-}(\mathrm{aq})\rightarrow\,\mathrm{cClO}^{-}(\mathrm{aq})+\mathrm{dCl}^{-}(\mathrm{aq})+\mathrm{eH}_{2}O(l)$…

Oxidation number of potassium in $K_{2}O,K_{2}O_{2}$ and $KO_{2},$ respectively, is:

$0.4g$ mixture of $\mathrm{NaOH},\mathrm{Na}_{2}\mathrm{CO}_{3}$ and some inert impurities was first titrated with $\frac{N}{10}\mathrm{HCl}$ using phenolphthalein as an indicator, $17.5\mathrm{mL}$ of $\mathrm{HCl}$…

The oxidation states of transition metal atoms in$K_{2}\mathrm{Cr}_{2}O_{7},\mathrm{KMnO}_{4}$ and $K_{2}\mathrm{FeO}_{4},$ respectively, are $x,y$and$z$ . The sum of$x,y$ and $z$ is______

The volume of $0.02M$ aqueous $\mathrm{HBr}$ required to neutralize $10.0\mathrm{mL}$ of $0.01M$ aqueous $\mathrm{Ba}(\mathrm{OH})_{2}$ is (Assume complete neutralization)

$0.01\mathrm{MKMnO}_{4}$ solution was added to $20.0\mathrm{mL}$ of $0.05M\mathrm{Mohr}$ 's salt solution through a burette. The initial reading of $50\mathrm{mL}$ burette is zero. The volume of $\mathrm{KMnO}_{4}$…

Manganese $\left(\mathrm{VI}\right)$has ability to disproportionate in acidic solution. The difference in oxidation states of two ions it forms in acidic solution is

Total number of species from the following which can undergo disproportionation reaction ___________. $H_{2}O_{2},\mathrm{ClO}_{3}^{-},P_{4},\mathrm{Cl}_{2},\mathrm{Ag},\mathrm{Cu}^{+1},F_{2},\mathrm{NO}_{2},K^{+}$

$20\mathrm{mL}$ of $0.02\mathrm{MK}_{2}\mathrm{Cr}_{2}O_{7}$ solution is used for the titration of $10\mathrm{mL}$ of $\mathrm{Fe}^{2+}$ solution in the acidic medium. The molarity of $\mathrm{Fe}^{2+}$ solution…