1.

The formulaof the deep redliquidformedon warming dichromate with KCI in concentrated sulphuric qacid is _____.

Answer»


Solution :The formmulaof the DEEP -red liquidformed on warmingdichromate with KCI inconcentrated sulphuricacid is
Chromyl chloride
`K_(2)CrO_(7) + 2H_(2)SO_(4) rarr 2KHSO_(4) + 2CrO_(3) + H_(2)O`
`KCI +H_(2)SO_(4) rarr KHSO_(4) + HCI`
`CrO_(3) + 2HCI rarrunderset("Orange -red vapours")(CrO_(2)CI_(2)) + H_(2)O`


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