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
    \[Sb{{F}_{5}}\] reacts with \[Xe{{F}_{4}}\] to form an adduct. The shapes of cation and anion in the adduct are respectively:         

    A) square planar, trigonal bipyramidal

    B) T-shaped, octahedral

    C) square pyramidal, octahedral

    D) square planar, octahedral

    Correct Answer: B

    Solution :

    [b] \[Xe{{F}_{4}}+Sb{{F}_{5}}\xrightarrow{{}}{{[Xe{{F}_{3}}]}^{+}}{{[Sb{{F}_{6}}]}^{-}}\xrightarrow{{}}\] \[\underset{\begin{smallmatrix}  s{{p}^{3}}d \\  bent\,T-shape \end{smallmatrix}}{\mathop{{{[Xe{{F}_{3}}]}^{+}}}}\,+\underset{\begin{smallmatrix}  s{{p}^{3}}d \\  octahedral \end{smallmatrix}}{\mathop{{{[Sb{{F}_{6}}]}^{-}}}}\,\]


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