JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Oxygen Family

  • question_answer
    Oxalic acid when heated with conc. \[{{H}_{2}}S{{O}_{4}},\] gives out [DPMT 1981; AFMC 1998]

    A) \[{{H}_{2}}O\] and \[C{{O}_{2}}\]

    B) \[CO\] and \[C{{O}_{2}}\]

    C) Oxalic sulphate

    D) \[C{{O}_{2}}\] and \[{{H}_{2}}S\]

    Correct Answer: B

    Solution :

    \[C{{l}_{2}}+2B{{r}^{-}}\,\to \,2C{{l}^{-}}+B{{r}_{2}}\]


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