JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyApplication

JEE Main 29 June 2022, Shift 2, Chemistry Q80

Question 80 of 90 in this shift, Chemistry question 20 of 30, Section A.

A white precipitate was formed when

\mathrm{BaCl_2}

was added to water extract of an inorganic salt. Further, a gas ‘X’ with characteristic odour was released when the formed white precipitate was dissolved in dilute HCl. The anion present in the inorganic salt is

(1) $\mathrm{I^{-}}$
(2) $\mathrm{SO_3^{2-}}$ Official answer
(3) $\mathrm{S^{2-}}$
(4) $\mathrm{NO_2^{-}}$

Official answer

Option 2

NTA final key.

Chapter: The p-Block Elements
Topic: Anion Analysis
Idea tested: Sulfate vs Sulfite Barium Test

Same topic in other shifts

All Anion Analysis questions

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8 Apr 2024, Shift 1 · Q73Match List I with List II LIST I (Compound): A. $\mathrm{Fe_4[Fe(CN)_6]_3\cdot xH_2O}$ ; B. $[\mathrm{Fe(CN)_5NOS}]^{4-}$ ; C.…MediumMatch the list
29 Jan 2024, Shift 1 · Q79In chromyl chloride test for confirmation of $\mathrm{Cl^-}$ ion, a yellow solution is obtained. Acidification of the solution and…MediumSingle correct
30 Jan 2024, Shift 1 · Q79Given below are two statements : Statement (I) : The gas liberated on warming a salt with dil $\mathrm{H_2SO_4}$ , turns a piece of paper…EasyTwo statements

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.