MCQ
Which of following reaction does not involve either oxidation or reduction
- A$VO^{+2} \to V_2O_3$
- B$Na \to Na^+$
- ✓$CrO_4^{-2} \to Cr_2O_7^{-2}$
- D$Zn^{+2} \to Zn$
✓
Answer
Correct option: C.
$CrO_4^{-2} \to Cr_2O_7^{-2}$
c
$\mathop {CrO_4^{ - 2}}\limits^{ + 6} \to \mathop {C{r_2}O_7^{ - 2}}\limits^{ + 6} $
$\mathop {CrO_4^{ - 2}}\limits^{ + 6} \to \mathop {C{r_2}O_7^{ - 2}}\limits^{ + 6} $
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