MCQ
The reaction of ${K_2}C{r_2}{O_7}$ with $NaCl$ and conc. ${H_2}S{O_4}$ gives
- A$CrC{l_3}$
- B$CrOC{l_2}$
- ✓$Cr{O_2}C{l_2}$
- D$C{r_2}{O_3}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

(Round off to the Nearest Integer).
[Given : Henry's law constant $= K _{ H }=8.0 \times 10^{4} kPa$ for $O _{2}$ Density of water with dissolved oxygen $=1.0\, kg\, dm ^{-3}$ ]
