A mixture of NaCl and `K_(2)Cr_(2)O_(7)` is heated with conc. `H_(2)SO_(4)` ,deep red vapours and formed .Which of the following statements is false?

Options

A. The vapours give a yellow solution with NaOH.
B. The vapours contain `CrO_(2)Cl_(2)` only
C. The vapours contains `CrO_(2)Cl_(2)` and `Cl_(2)`.
D. The vapours when passed into lead acetate in acetic acid gives a yellow precipitate.

Answer

C

Explanation

(c) : `K_(2)Cr_(2)O_(7)+4NaCl+6H_(2)SO_(4) to`
`2CrO_(2)Cl_(2) + 4NaHSO_(4) + 2KHSO_(4) +3H_(2)O`
Red vapours