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JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Mock Test - Chemical Bonding Molecular Structure

  • question_answer
    In which of the following molecules/ions\[B{{F}_{3}}\],\[N{{O}^{-}}_{2}\] \[N{{H}^{-}}_{2}\],  and \[{{H}_{2}}O\] the central atom is \[s{{p}^{2}}_{}\] hybridized?

    A) \[B{{F}_{3}}\]and \[N{{O}^{-}}_{2}\]

    B) \[N{{O}^{-}}_{2}\]and \[N{{H}^{-}}_{2}\]

    C) \[N{{H}^{-}}_{2}\]and \[{{H}_{2}}O\]

    D) \[N{{O}^{-}}_{2}\]and \[{{H}_{2}}O\]

    Correct Answer: A

    Solution :

    [a] Molecule hybridisation
      \[B{{F}_{3}}\] \[s{{p}^{2}}\]
      \[N{{O}^{-}}_{2}\] \[s{{p}^{2}}\]
      \[N{{H}_{2}}^{-}\] \[s{{p}^{3}}\]
      \[{{H}_{2}}O\] \[s{{p}^{3}}\]
    \[\Rightarrow B{{F}_{3}}\] and \[N{{O}_{2}}^{-}\] are \[s{{p}^{2}}\]hybridized. Hance, option (1) is correct.        


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