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

  • question_answer
    Which one of the following pairs of substances when mixed, produces chlorine gas at room temperature [IIT 1995]

    A) \[NaCl\] and \[Mn{{O}_{2}}\]

    B) \[NaCl\] and \[HN{{O}_{3}}\](conc.)

    C) \[NaCl\] and \[{{H}_{2}}S{{O}_{4}}\] (conc.)

    D) \[HCl\] (conc.) and \[KMn{{O}_{4}}\]

    Correct Answer: D

    Solution :

    \[2KMn{{O}_{4}}+3{{H}_{2}}S{{O}_{4}}+10HCl\,\to \]\[{{K}_{2}}S{{O}_{4}}+2MnS{{O}_{4}}+8{{H}_{2}}O+5C{{l}_{2}}\]


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