JCECE Medical JCECE Medical 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 :

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


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