J & K CET Engineering J and K - CET Engineering Solved Paper-2013

  • question_answer
    Which of the following species has a trigonal planar shape?

    A) \[_{.}^{.}CH_{3}^{-}\]

    B) \[CH_{3}^{+}\]

    C)  \[BF_{4}^{-}\]

    D) \[Si{{H}_{4}}\]

    Correct Answer: B

    Solution :

     \[H-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{{{C}^{\oplus }}}}}\,}}}\,s{{p}^{2}}\]hybridized, trigonal planar with bond angle \[{{120}^{o}}.\]


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