Q.
In acidic medium potassium dichromate acts as an oxidant according to the equation,
$Cr_{2}O+14H^{+}+6e^{-}\to2Cr^{3+}+7H_{2}O$ What is the equivalent
weight of $K_2Cr_2O_7?$ (mol. Wt. = M)
The d-and f-Block Elements
Solution: