First slide

Compounds of hydrogen

Question

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?

Moderate

Solution

$\begin{matrix} K_{2} {CrO}_{4} + H_{2} O_{2} \frac{Amyl alcobol}{(In acidic medium)} \to \underset{(Blue liquid)}{{CrO}_{5}} \end{matrix}$
Here the structure of CrO₅ is :-
Here, single bonded O-atoms with Cr is = 04

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