Embibe Experts Solutions for Chapter: Redox Reactions, Exercise 1: KCET (UG) 2021

Which of the following is not true for oxidation?

The oxidation number of nitrogen atoms in ${\mathrm{NH}}_4, {\mathrm{NO}}_3$ are

In the reaction of gold with aquaregia, oxidation state of Nitrogen changes from

For the redox reaction

${\mathrm{xMnO}}_4^{-}+{\mathrm{yH}}_2{\mathrm{C}}_2{\mathrm{O}}_4+{\mathrm{zH}}^{+}\to {\mathrm{mMn}}^{2+}+{\mathrm{nCO}}_2+{\mathrm{pH}}_2\mathrm{O}$

The number of moles of electron required to reduce $0.2$ mole of ${\mathrm{Cr}}_2{\mathrm{O}}_7^{-2}$ to ${\mathrm{Cr}}^{+3}$