CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2003

  • question_answer
    The percentage s-character of the hybrid orbitals in methane, ethene and ethyne are respectively :

    A)  25, 33, 50           

    B)  25, 50, 75

    C)  50, 75, 100         

    D)  10, 20, 40

    Correct Answer: A

    Solution :

    In methane, ethane and ethyne, the hybridisations are respectively \[s{{p}^{3}},s{{p}^{2}}\] and sp. Hence % s-character will be                 \[s{{p}^{3}}=\frac{1}{4}\times 100=25%\]                 \[s{{p}^{2}}=\frac{1}{4}\times 100=25%\]                 \[sp=\frac{1}{4}\times 100=50%\]


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