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NEET Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना NEET PYQ-Chemical Bonding Molecular

  • question_answer
    The correct order of increasing bond length of \[C-H,C-O,C-C\] and \[C=C\] is                        [AIPMT (S) 2011]

    A)  \[C-C<C=C<C-O<C-H\]

    B)  \[C-O<C-H<C-C<C=C\]

    C)  \[C-H<C-O<C-C<C=C\]

    D)  \[C-H<C=C<C-O<C-C\]

    Correct Answer: D

    Solution :

    C—H: 0.109 nm
    C = C : 0.134 nm
    C—O : 0.143 nm
    C—C : 0.154 nm
    \[\therefore \]Bond length order is
    C—H < C = C < C— O < C — C


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