MCQ
Which of the following reaction is possible at anode
- ✓$2C{r^{3 + }} + 7{H_2}O \to C{r_2}{O_7}^{2 - } + 14{H^ + }$
- B${F_2} \to 2{F^ - }$
- C$\frac{1}{2}{O_2} + 2{H^ + } \to {H_2}O$
- DNone of these
✓
Answer
Correct option: A.
$2C{r^{3 + }} + 7{H_2}O \to C{r_2}{O_7}^{2 - } + 14{H^ + }$
a
(a) Oxidation always occurs at anode.
(a) Oxidation always occurs at anode.
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