JCECE Medical JCECE Medical 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 \[C\equiv C\]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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