Question

Number of metal oxygen bonds in the orange-red coloured compound formed when $NaCl$ reacts with $K_2\text{C}{\text{r}}_2{O}_7$ and $H_2\text{S}{\text{O}}_4$ .

• A. 2
• B. 4
• C. 6
• D. 0

Answer 1

Answer: (B)

${\text{K}}_{\text{2}}{\text{Cr}}_{\text{2}}{\text{O}}_{\text{7}}\text{+}\text{4}\text{NaCl}\text{+}\text{6}{\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}\to \text{2}{\text{KHSO}}_{\text{4}}+\underset{\text{Chromyl}\text{Chloride}}{\text{2}{\text{CrO}}_{\text{2}}{\text{Cl}}_{\text{2}}}+\text{4}{\text{NaHSO}}_{\text{4}}$



Orange-red coloured chromyl chloride.