Question:medium
A paper dipped in a dil. $H_2SO_4$ solution of 'X' upon treatment with $SO_2$ gas turns into green. The compound 'X' is :
A paper dipped in a dil. $H_2SO_4$ solution of 'X' upon treatment with $SO_2$ gas turns into green. The compound 'X' is :
Updated On: Apr 12, 2026
- KI-starch
- $KMnO_4$
- $Pb(CH_3COO)_2$
- $K_2Cr_2O_7$
Show Solution
The Correct Option is D
Solution and Explanation
Was this answer helpful?
0
Top Questions on Qualitative Analysis
- Match List-I with List-II :Identify the correct answer from the options given below :
List - I(Test/reagent) List - II(Radical identified) (A) Lake Test (I) NO3− (B) Nessler’s Reagent (II) Fe3+ (C) Potassium sulphocyanide (III) Al3+ (D) Brown Ring Test (IV) NH4+ - NEET (UG) - 2024
- Chemistry
- Qualitative Analysis
- Match List-I with List-II :Identify the correct answer from the options given below :
List - ISolid salt treated with dil. H2SO4 List - IIAnion detected (A) effervescence of colourless gas (I) NO2− (B) gas with smell of rotten egg (II) CO32− (C) gas with pungent smell (III) S2− (D) brown fumes (IV) SO23− - NEET (UG) - 2024
- Chemistry
- Qualitative Analysis
Match List I with List II:
Choose the correct answer from the options given below:- NEET (UG) - 2025
- Chemistry
- Qualitative Analysis
- Given below are two statements:
Statement-I: The gas liberated on warming a salt with dil H2SO4, turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion.
Statement-II: In statement-I the colour of paper turns black because of formation of lead sulphite. In the light of the above statements, choose the most appropriate answer from the options given below:- JEE Main - 2024
- Chemistry
- Qualitative Analysis
- Want to practice more? Try solving extra ecology questions todayView All Questions
