JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer Which would quickly absorbs oxygen [CBSE PMT 1992; MP PET 1995]

    A) Alkaline solution of pyrogallol

    B) Conc. \[{{H}_{2}}S{{O}_{4}}\]

    C) Lime water

    D) Alkaline solution of \[CuS{{O}_{4}}\]

    Correct Answer: A

    Solution :

    Alkaline solution of pyrogallol quickly absorbs oxygen.


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