1.

When H_2O_2 is added to ice cold solution of acidified potassium dichromate in ether and the contents are shaken and allowed to stand

Answer»

A blue colour is OBTAINED in ether due to FORMATION of `Cr_2(SO_4)_3`
A blue colour is obtained in ether due to formation `CrO_5`
A blue colour is obtained in ether due to formation of `CrO_3`
Chromyl chloride is formed

Solution :A blue colour is obtained in ether due to formation of `CrO_5`
`Cr_2 O_7^(-2) + 2H^(+) + 4H_2O_2 to 2CrO_5 + 5H_2O`
blue colour in ether


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