${\rm{HBr}}$ and ${\rm{HI}}$ reduce ${{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}$,${\rm{HCl}}$ can reduce ${\rm{KMn}}{{\rm{O}}_4}$ and ${\rm{HF}}$ can reduce:

${{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}$

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

NEET UG CHEMISTRY MCQ: REDOX REACTIONS

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Analyzing +4 | -1

\mathrm{HBr}

and

\mathrm{HI}

reduce

{\mathrm{H}_2}\mathrm{S}{\mathrm{O}_4}

\mathrm{HCl}

can reduce

\mathrm{KMn}{\mathrm{O}_4}

and

\mathrm{HF}

can reduce:

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because HF is a weak reducing agent and cannot reduce any of the given compounds.

Practice All Chapter MCQs →

{I_2}

\mathrm{MnO}_4^ - + {\mathrm{C}_2}\mathrm{O}_4^{2 - } + {\mathrm{H}^ + } \to \mathrm{M}{\mathrm{n}^{2 + }} + \mathrm{C}{\mathrm{O}_2} + {\mathrm{H}_2}\mathrm{O}

\mathrm{MnO}_4^ -

{\mathrm{C}_2}\mathrm{O}_4^{2 - }

{\mathrm{H}^ + }