When a mixture of NaCl and $K_{2}C{r}_2{O}_7$ is heated with conc $H_{2}S{O}_4$ .Wrong statement is

A deep red vapour is evolved.

The vapour when passed into NaOH solution gives a yellow solution of  $N{a}_{2}Cr{O}_4$

Deep red vapour is of chromyl chloride.

Chlorine gas also evolved in large quantities.