NEET Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Mock Test - The p-Block Elements (Groups 15, 16, 17 and 18)

  • question_answer
    The compound that attacks Pyrex glass is

    A) \[Xe{{F}_{2}}\]

    B) \[Xe{{F}_{4}}\]

    C) \[Xe{{F}_{6}}\]

    D) \[Xe{{F}_{4}}\]

    Correct Answer: C

    Solution :

    [c] It is a characteristic of \[Xe{{F}_{3.}}\] \[2Xe{{F}_{6}}+Si{{O}_{2}}\to 2XeO{{F}_{4}}+Si{{F}_{4}};\] \[2XeO{{F}_{4}}+Si{{O}_{2}}\to 2Xe{{O}_{2}}{{F}_{2}}+Si{{F}_{4}};\] \[2Xe{{O}_{2}}{{F}_{2}}+Si{{O}_{2}}\to 2Xe{{O}_{3}}+Si{{F}_{4}};\]


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