JEE Main 2022 · 29 Jun · Shift 2 · Chemistry Q80

← JEE Main 2022 · 29 Jun · Shift 2

ChemistrySingle correct+4 / -1Question 80 of 90

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

\mathrm{I^-}

\mathrm{SO_3^{2-}}

\mathrm{S^{2-}}

\mathrm{NO_2^-}

Answer and worked solution

Official answer: B

$\mathrm{BaSO_3}$ is white; dilute HCl releases $\mathrm{SO_2}$ with its pungent smell.

(B)

Topics:Anion analysis

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JEE Main 2022 · 29 Jun · Shift 2, Chemistry question 80