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NEET Sample Paper NEET Sample Test Paper-89

  • question_answer
    For the compounds \[C{{H}_{3}}Cl,\]\[C{{H}_{3}}Br,\]\[C{{H}_{3}}I\]and \[C{{H}_{3}}F,\]the correct order of increasing C-halogen bond length is:

    A) \[C{{H}_{3}}F<C{{H}_{3}}Cl<C{{H}_{3}}Br<C{{H}_{3}}I\]

    B) \[C{{H}_{3}}F<C{{H}_{3}}Br<C{{H}_{3}}Cl<C{{H}_{3}}I\]

    C) \[C{{H}_{3}}F<C{{H}_{3}}I<C{{H}_{3}}Br<C{{H}_{3}}Cl\]

    D) \[C{{H}_{3}}Cl<C{{H}_{3}}Br<C{{H}_{3}}F<C{{H}_{3}}I\]

    Correct Answer: A

    Solution :

    [a]  The correct order of increasing bond length is \[C{{H}_{3}}F<C{{H}_{3}}Cl<C{{H}_{3}}Br<C{{H}_{3}}I\]


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