A paper dipped in a dil. H₂SO₄ solution of 'X' upon treatment with SO₂ gas turns into green. The compound 'X' is:

Principles Related to Practical Chemistry: JEE Main 2026 Chemistry question

JEE Main 2026 · 5 Apr, Evening shift · Q70

JEE Main 20265 Apr, Evening shiftChemistryEasyPrinciples Related to Practical Chemistry54× since 2004

A paper dipped in a dil.

\mathrm{H_2SO_4}

solution of 'X' upon treatment with

\mathrm{SO_2}

gas turns into green. The compound 'X' is :

JEE Main 2026 · 5 Apr, Evening shift · Q70

JEE Main 20265 Apr, Evening shiftChemistryEasyPrinciples Related to Practical Chemistry54× since 2004

A paper dipped in a dil.

\mathrm{H_2SO_4}

solution of 'X' upon treatment with

\mathrm{SO_2}

gas turns into green. The compound 'X' is :