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When a chloride is heated with potassium...

When a chloride is heated with potassium dichromate and concentrated sulphuric acid, the red gas coming out has the formula

A

`CrOCl_(2)`

B

`CrO_(2)Cl_(2)`

C

`CrO_(2)Cl`

D

`CrOCl`

Text Solution

Verified by Experts

The correct Answer is:
B
`4NaCl+ K(2)Cr_(2)O_(7)+"conc."6H_(2)SO_(4) rarr 2CrO_(2)Cl_(2) + 4NaHSO_(4) + 2KHSO_(4) + 3H_(2)O`
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