in chromyl chloride test -...

in chromyl chloride test -

A

`CrOCl_4` (red vapour) is formed

B

`CrO_2Cl_2` (red vapour) is formed

C

`CrCl_2(NO_2) _2` (brown vapour) is found

D

`Cr(NO_2) _6` (brown ppt.) is found

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