In an alkaline condition $$KMn{O_4}$$ reacts as follows :
$$2KMn{O_4} + 2KOH \to 2{K_2}Mn{O_4} + {H_2}O + O$$
Its equivalent weight is
A.
31.6
B.
52.7
C.
49
D.
158
Answer :
158
Solution :
Change in $$O.S.$$ is by 1. Hence $$eq.\,wt.$$ is $$\frac{{158}}{1} = 158.$$
Releted MCQ Question on Inorganic Chemistry >> D and F Block Elements
Releted Question 1
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is