In which ${\rm{S}}{{\rm{O}}_2}$ acts as oxidant, while reacting with :

Acidified ${\rm{KMn}}{{\rm{O}}_4}$

Acidified ${{\rm{K}}_2}{\rm{C}}{{\rm{r}}_2}{{\rm{O}}_7}$

Acidified ${{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}}$

JEE CHEMISTRY MCQ: REDOX REACTIONS

1 Easy

1 of 1

Application +4 | -1

In which

\mathrm{S}{\mathrm{O}_2}

acts as oxidant, while reacting with :

View answer and explanation

Correct option: C

{\mathrm{H}_2}\mathrm{S}

Option C (

{\mathrm{H}_2}\mathrm{S}

) is correct because in the reaction with

H_2S

SO_2

acts as an oxidizing agent, getting reduced to elemental sulfur.

Practice All Chapter MCQs →

\mathrm{H}

2 \mathrm{KClO}_3 \longrightarrow 2 \mathrm{KCl}+3 \mathrm{O}_2

\mathrm{HNO}_3

\mathrm{HNO}_3

\mathrm{MnO}_4^{-}(\mathrm{aq})+\mathrm{Br}^{-}(\mathrm{aq})+\mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{MnO}_2(\mathrm{aq})+\mathrm{BrO}_3^{-}(\mathrm{aq})+2 \mathrm{OH}^{-}(\mathrm{aq})

\mathrm{Br}

-1

+5.