Chemistry - Complete d-block Question with Solution | TestHub

Solid potassium dichromate when heated with concentrated sulphuric acid and a soluble chloride gives orange red vapours of a volatile oily liquid ${\mathrm{CrO}}_2{\mathrm{Cl}}_2$ ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7+4\mathrm{NaCl}+6{\mathrm{H}}_2{\mathrm{SO}}_4⟶2{\mathrm{KHSO}}_4+4{\mathrm{NaHSO}}_4+2{\mathrm{CrO}}_2{\mathrm{Cl}}_2$ chromyl chloride