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

  • question_answer
    Which of the following is used in the preparation of chlorine [CBSE PMT 1999]

    A) \[Only\]\[Mn{{O}_{2}}\]

    B) \[OnlyKMn{{O}_{4}}\]

    C) Both \[Mn{{O}_{2}}\] and \[KMn{{O}_{4}}\]

    D) Either \[Mn{{O}_{2}}\] or \[KMn{{O}_{4}}\]

    Correct Answer: C

    Solution :

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

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