When an acidified solution of $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ is saturated with $\ma

Question

When an acidified solution of $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ is saturated with $\mathrm{SO}_{2}$, and the solution is evaporated, _____ crystals are formed\

Professor PC Thomas Classes · Answer

Chrome alum , $\mathrm{K}_{2} \mathrm{SO}_{4} \mathrm{Cr}_{2}\left(\mathrm{SO}_{4}ight)_{3} 24 \mathrm{H}_{2} \mathrm{O}$\