Which of the following compounds is used as the starting material for the preparation of potassium dichromate?
Which of the following compounds is used as the starting material for the preparation of potassium dichromate?
A. `K_(2)SP_(4). Cr_(2)(SO_(4))_(3). 24H_(2)O`
B. `PbCrO_(4)`
C. `FeCr_(2)O_(7)`
D. `PbCrO_(4). PbO`
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Correct Answer - C
`FeCr_(2)O_(4)` is used as the starting material for `K_(2)Cr_(2)O_(7)`.
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