JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Mock Test - The p-Block Elements (Groups 13, 14)

  • question_answer
    Which of the statement is true for the above sequence of reactions?

    A) Z is hydrogen

    B)  Y is \[LiB{{F}_{4}}\]

    C)  Z and Y are \[{{F}_{2}}\]and \[{{B}_{2}}{{H}_{6}}\] respectively

    D)  Z is potassium hydroxide

    Correct Answer: C

    Solution :

    [c]\[B(s)\xrightarrow{{{F}_{2}}(Z)}\underset{(X)}{\mathop{B{{F}_{3}}}}\,\xrightarrow{LiH}\underset{(Y)}{\mathop{{{B}_{2}}{{H}_{6}}}}\,+LiB{{F}_{4}}\]


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