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Which of the following compounds is used...

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

A

`K_2SO_4 . Cr_2(SO_4)_3. 24H_2O` (chrome alum )

B

`PbCrO_4` (chromate yellow )

C

`FeCr_2O_4` (chromite )

D

`PbCrO_4 . PbO` (chrome red )

Text Solution

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The correct Answer is:
C

Chromic ore `(FeO. Cr_2O_3)` is used in preparation of `K_2Cr_2O_7`
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