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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:
A
$\mathrm{CH}_3 \mathrm{COO}^{-}$and $\mathrm{NO}_3^{-}$
B
$\mathrm{C}_2 \mathrm{O}_4^{2-}$ and $\mathrm{NO}_3^{-}$
C
$\mathrm{SO}_3^{2-}$ and $\mathrm{CH}_3 \mathrm{COO}^{-}$
D
$\mathrm{SO}_3^{2-}$ and $\mathrm{C}_2 \mathrm{O}_4^{2-}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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