Which of the following compounds is used as the starting material for the preparation of potassium dichromate?
A.
$${K_2}S{O_4} \cdot C{r_2}{\left( {S{O_4}} \right)_3} \cdot 24{H_2}O$$ (Chrome alum)
B.
$$PbCr{O_4}$$ (Chromite yellow)
C.
$$FeC{r_2}{O_4}$$ (Chromite)
D.
$$PbCr{O_4} \cdot PbO$$ (Chrome red)
Answer :
$$FeC{r_2}{O_4}$$ (Chromite)
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