Manipal Engineering Manipal Engineering Solved Paper-2009

  • question_answer
    The carbon-carbon bond length in benzene is

    A)  in between\[{{C}_{2}}{{H}_{6}}\]and\[{{C}_{2}}{{H}_{4}}\]

    B)  same as in\[{{C}_{2}}{{H}_{4}}\]

    C)  in between\[{{C}_{2}}{{H}_{6}}\]and\[{{C}_{2}}{{H}_{2}}\]

    D)  in between\[{{C}_{2}}{{H}_{4}}\]and\[{{C}_{2}}{{H}_{2}}\]

    Correct Answer: A

    Solution :

    The carbon-carbon bond length in benzene\[\text{(1}\text{.39}\overset{\text{o}}{\mathop{\text{A}}}\,\text{)}\]is between that of\[C-C(1.54\overset{\text{o}}{\mathop{\text{A}}}\,)\]and \[C=C(1.34\overset{\text{o}}{\mathop{\text{A}}}\,)\]ie, in between that\[{{C}_{2}}{{H}_{6}}\]and\[{{C}_{2}}{{H}_{4}}\].


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