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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answer is 4.

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Detailed Solution

K2CrO4+H2O2 Amyl alcobol (In acidic medium ) →CrO5 (Blue liquid) Here the structure of CrO5 is :-Here, single bonded O-atoms with Cr is = 04

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