On heating an ionic metal chloride salt...

On heating an ionic metal chloride salt with `K_(2)Cr_(2)O_(7)` and conc. `H_(2)SO_(4)` . A reddish brown gas is produced due to :

A

`Cl_(2)`

B

`CrO_(2)Cl_(2)`

C

`H_(2)CrO_(4)`

D

`CrO_(3)`

Verified by Experts

The correct Answer is:

B

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