JCECE Engineering JCECE Engineering Solved Paper-2006

  • question_answer
    Which of the following has smallest bond angle?

    A)  Ethane                                

    B)  Ethene

    C)  Ethyne                                

    D)   Ethanol

    Correct Answer: C

    Solution :

    The bond length of Ethane\[C-C\]is\[1.54\,\,s{{p}^{3}}-s{{p}^{3}}\] Ethene\[C=C\]is\[1.34\,\,s{{p}^{2}}-s{{p}^{2}}\] Ethyne\[C=C\]is\[1.20\,\,sp-sp\] Ethanol\[C-O\]is\[1.42\,\,s{{p}^{3}}-sp\] So, the smallest bond angle is of ethyne.


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