JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 15, 16, 17 & 18)

  • question_answer
    The reason for not storing \[Xe{{F}_{6}}\] in a glass or a quartz vessel is that  

    A) it forms an explosive having the formula\[Xe{{O}_{2}}{{F}_{2}}\].

    B) it forms an explosive having the formula\[XeO{{F}_{4}}\].

    C) it forms \[Xe{{O}_{2}}\] which is explosive substance.

    D) it forms \[Xe{{O}_{6}}^{4-}\] which is explosive in nature.

    Correct Answer: B

    Solution :

    [b] \[2Xe{{F}_{6}}+\underset{glass}{\mathop{Si{{O}_{2}}}}\,\xrightarrow{{}}~\underset{(explosive\,nature)}{\mathop{2XeO{{F}_{4}}}}\,~+Si{{F}_{4}}\] \[2XeO{{F}_{4}}+Si{{O}_{2}}\xrightarrow{{}}2Xe{{O}_{2}}{{F}_{^{2}}}+Si{{F}_{4}}\]  \[2Xe{{O}_{2}}{{F}_{2}}+Si{{O}_{2}}\xrightarrow{{}}2\underset{\exp losive}{\mathop{Xe{{O}_{3}}}}\,+Si{{F}_{4}}\]


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