Analytical ChemistryHard
Question
When a mixture of solid NaCl and solid K2Cr2O7 is heated with concentrated H2SO4, deep red vapours are obtained. This is due to the formation of :
Options
A.chromous chloride
B.chromyl chloride
C.chromic chloride
D.chromic sulphate
Solution
4Cl- + Cr2O72- + 6H+ →2CrO2Cl2 ↑(deep red) + 3H2O.
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