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  4. A white precipitate was formed when 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 :

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Q. A white precipitate was formed when $BaCl _{2}$ 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 :

JEE MainJEE Main 2022The p-Block Elements - Part2

Solution:

Correct answer is (b) $SO _{3}^{2-}$

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