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  5. The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I

12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank MCQs - The p-Block Elements

  • question_answer
    Which of the following is used to prepare \[C{{l}_{2}}\] gas at room temperature from concentrated HCl?

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

    B) \[{{H}_{2}}S\]

    C) \[KMn{{O}_{4}}\]

    D) \[C{{r}_{2}}{{O}_{3}}\]

    Correct Answer: C

    Solution :

    \[KMn{{O}_{4}}\] oxidises halogen acids to halogen. \[\therefore \]\[KMn{{O}_{4}}\] is used to prepare \[C{{l}_{2}}\] from concentrated HCl.


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