1.

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

Answer»

`K_(2)SO_(4).Cr_(2)(SO_(4))_(3).24H_(2)O` (Chronic ALUM)
`PbCrO_(4)` (CHROMITE yellow)
`FeCr_(2)O_(4)` (Chromite)
`PbCrO_(4).PbO` (chromic red)

Solution :POTASSIUM dichromate is prepared from chromite, `FeCr_(2)O_(4)`.


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