Embibe Experts Solutions for Chapter: Redox Reactions, Exercise 1: NDA & NA EE 2019 Paper 1 General Ability Test

Which one of the following compounds does not exhibit a different oxidation number of the same element?

Which one of the following represents the correct order of electron releasing tendency of metals?

Which one of the following statements is not correct for the given reaction?

$\mathrm{Fe}\left(s\right)+{\mathrm{CuSO}}_4\left(aq\right)\to {\mathrm{FeSO}}_4\left(aq\right)+\mathrm{Cu}\left(s\right)$

The equivalent weight of oxalic acid in ${\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{O}}_4·2{\mathrm{H}}_2\mathrm{O}$ is: