JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    The correct order towards bond length is [RPMT 1997]

    A) \[C-C<C=C<C\equiv C\]

    B) \[C\equiv C<C=C<C-C\]

    C) \[C=C<C\equiv C<C-C\]

    D) \[C=C<C-C<C\equiv C\]

    Correct Answer: B

    Solution :

    \[\underset{1.20{{A}^{o}}}{\mathop{C\equiv C}}\,\,\,<\underset{1.34{{A}^{o}}}{\mathop{C=C}}\,\,\,<\underset{1.54{{A}^{o}}}{\mathop{C-C}}\,\]


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