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Q.

An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol. When it was shaken after the addition of $1 m L$ of $3 %$ $H_{2} O_{2},$ a blue alcohol layer was obtained. The blue color is due to the formation of a chromium $(V I)$ 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

Question Image

Structure of $C r O_{5} :$

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Number of oxygen atoms bonded to chromium through single bonds is 4

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An acidified solution of potassium chromate was layered with an equal volume of amyl alcohol. When it was shaken after the addition of 1mL 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?