Question

Which of the following compound is used as the starting material for the preparation of potassium dichromate?

• A. $K_{2}SO_{4}.Cr_{2}(SO_{4})_{3}.24H_{2}O$ (Chrome alum)
• B. $PbCrO_{4}$ (Chromite yellow)
• C. $FeCr_{2}O_{4}$ (Chromite)
• D. $PbCrO_{4}.PbO$ (Chrome red)

Answer 1

Answer: (C)

$FeCr_{2}O_{4}$ (Chromite)

Answer 2

Potassium dichromate is prepared from chromite, $FeCr_{2}O_{4}$