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JCECE Engineering JCECE Engineering Solved Paper-2008

  • question_answer
    Which one of the following compounds has the smallest bond angle in its molecule?

    A) \[S{{O}_{2}}\]                                   

    B) \[O{{H}_{2}}\]

    C) \[S{{H}_{2}}\]                                   

    D) \[N{{H}_{3}}\]

    Correct Answer: C

    Solution :

    Molecular Hybridisation Repulsion Bond angle
    \[S{{O}_{2}}\] \[s{{p}^{2}}\] \[lp-bp,\,\,bp-bp\] \[{{119}^{o}}\]
    \[O{{H}_{2}}\] \[s{{p}^{3}}\] \[lp-lp,\,\,bp-lp\]\[bp-bp\] \[{{104.5}^{o}}\]
    \[S{{H}_{2}}\] \[s{{p}^{3}}\] \[-do-\] \[{{90}^{o}}\]
    \[N{{H}_{3}}\] \[s{{p}^{3}}\] \[lp-bp,\,\,bp-bp\] \[{{107}^{o}}\]


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