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)

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



Orange-red coloured chromyl chloride.