Mixture giving brown ring... | JEE Main 2023

JEE MAIN 2023

11-04-23 S1

Question

When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium, a dark brown ring was formed whereas on treatment with neutral $\mathrm{FeCl}_3$, it gave deep red colour which disappeared on boiling and a brown red ppt was formed. The mixture contains

Select the correct option:

$\mathrm{CH}_3 \mathrm{COO}^{-}$and $\mathrm{NO}_3^{-}$

$\mathrm{C}_2 \mathrm{O}_4^{2-}$ and $\mathrm{NO}_3^{-}$

$\mathrm{SO}_3^{2-}$ and $\mathrm{CH}_3 \mathrm{COO}^{-}$

$\mathrm{SO}_3^{2-}$ and $\mathrm{C}_2 \mathrm{O}_4^{2-}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution