MCQ
Which one of the following conversions does not involve either oxidation or reduction?
  • A
    $\mathrm{VO}_2^{+} \longrightarrow \mathrm{V}_2 \mathrm{O}_3$
  • B
    $\mathrm{Na} \longrightarrow \mathrm{Na}^{+}$
  • ()) $\mathrm{CrO}_4^{2^{-}} \longrightarrow \mathrm{Cr}_2 \mathrm{O}_7^{2-}$
  • D
    $\mathrm{Zn}^{2+} \longrightarrow \mathrm{Zn}$

Answer

Correct option: C.
()) $\mathrm{CrO}_4^{2^{-}} \longrightarrow \mathrm{Cr}_2 \mathrm{O}_7^{2-}$
C

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