An acidified solution of potassium chromate was layered..| JEE Advance-2020

#jeeadvance2020 #cromylchloride #An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol.
When it was shaken after the addition of 1 mL of 3% H2O2, a blue alcohol layer was obtained. The
blue color is due to the formation of a chromium (VI) compound ‘X’. What is the number of oxygen
atoms bonded to chromium through only single bonds in a molecule of X?
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