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JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Nitrogen Family

  • question_answer
    An element (X) forms compounds of the formula \[XC{{l}_{3}},\] \[{{X}_{2}}{{O}_{5}}\] and \[C{{a}_{3}}{{X}_{2}},\] but does not form \[XC{{l}_{5}}\], which of the following is the element \[X\] [MP PET 1997]

    A) \[B\]

    B) \[Al\]

    C) \[N\]

    D) \[P\]

    Correct Answer: C

    Solution :

    \[{{N}_{2}}\] can form \[HCl\,\xrightarrow{{{H}_{2}}O}\,\underset{\text{(aq)}\,\,\,\,}{\mathop{{{H}^{+}}}}\,+\underset{(aq)}{\mathop{C{{l}^{-}}}}\,\] and \[C{{a}_{3}}{{N}_{2}}\] but does not form \[NC{{l}_{5}}\].


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