NEET AIPMT SOLVED PAPER 1999

  • question_answer
                Which of the following is used in the preparation of chlorine?                                                        

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

    B)                    Only \[KMn{{O}_{4}}\]

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

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

    Correct Answer: C

    Solution :

                                   \[Mn{{O}_{2}}+4HCl\xrightarrow[{}]{{}}MnC{{l}_{2}}+2{{H}_{2}}O+C{{l}_{2}}\]             \[2KMn{{O}_{4}}+16HCl\to 2KCl+2MnC{{l}_{2}}\]\[+\,8{{H}_{2}}O+5C{{l}_{2}}\]


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