CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    Which one of the following molecules has the smallest bond angle?

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

    B) \[P{{H}_{3}}\]

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

    D)        \[{{H}_{2}}Se\]

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

    Correct Answer: D

    Solution :

    Bond angles of\[N{{H}_{3}}=107{}^\circ ,{{H}_{2}}Se=91.0{}^\circ \] \[{{H}_{2}}O=104.5{}^\circ ,{{H}_{2}}S=92.2{}^\circ \] So, the\[{{H}_{2}}Se\] molecule has smallest bond angle.


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