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Salt Analysis question

2023 · 11 Apr · Shift 1 · Q8
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  5. /2023 · 11 Apr · Shift 1 · Q8

Salt Analysis question

2023 · 11 Apr · Shift 1 · Q8

JEE MainChemistrySalt AnalysisMCQ+4 / −1
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 FeCl3\mathrm{FeCl}_{3}FeCl3​, it gave deep red colour which disppeared on boiling and a brown red ppt was formed. The mixture contains :
  1. A
    SO 32−_3^{2-}32−​ & C 2_22​ O 42−_4^{2-}42−​
  2. B
    CH3COO−& NO3−\mathrm{CH}_{3} \mathrm{COO}^{-} \& ~\mathrm{NO}_{3}^{-}CH3​COO−& NO3−​
  3. C
    C2O42−& NO3−\mathrm{C}_{2} \mathrm{O}_{4}{ }^{2-} \& ~\mathrm{NO}_{3}^{-}C2​O4​2−& NO3−​
  4. D
    SO32−& CH3COO−\mathrm{SO}_{3}^{2-} \& ~\mathrm{CH}_{3} \mathrm{COO}^{-}SO32−​& CH3​COO−
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