In acidic medium potassium dichromate acts as an oxidant accordin… - Vidyadip

MCQ

In acidic medium potassium dichromate acts as an oxidant according to the equation, $C{r_2}O_7^{2 - } + 14{H^ + } + 6{e^ - } \to 2C{r^{3 + }} + 7{H_2}O$. What is the equivalent weight of ${K_2}C{r_2}{O_7}$ ? (mol. Wt. $ = M$)

A
$M$
B
$M/2$
C
$M/3$
✓
$M/6$

✓

Answer

Correct option: D.

$M/6$

d
(d)Since it accept $6{e^ - }$ its

Equivalent weight $=\frac{M}{6}$.

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