JEE Main & Advanced JEE Main Paper Phase-I Held on 07-1-2020 Morning

  • question_answer
    The dipole moments of \[CC{{l}_{4}},\text{ }CHC{{l}_{3}}\] and \[C{{H}_{4}}\]are in the order:  [JEE MAIN Held on 07-01-2020 Morning]

    A) \[CC{{l}_{4}}<C{{H}_{4}}<CHC{{l}_{3}}\]

    B) \[CHC{{l}_{3}}<C{{H}_{4}}=CC{{l}_{4}}\]

    C) \[C{{H}_{4}}=CC{{l}_{4}}<CHC{{l}_{3}}\]

    D) \[C{{H}_{4}}<CC{{l}_{4}}<CHC{{l}_{3}}\]

    Correct Answer: C

    Solution :

    [c] \[CHC{{l}_{3}}\] is polar while \[C{{H}_{4}}\] and \[CC{{l}_{4}}\] are nonpolar. So, dipole moment order is: \[CHC{{l}_{3}}>C{{H}_{4}}=CC{{l}_{4}}\]


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