JEE Main & Advanced Chemistry GOC Question Bank Bonding and hybridisation inorganic compounds

  • question_answer Number of \[\pi \] electrons in cyclobutadienyl anion \[{{({{C}_{4}}{{H}_{4}})}^{-2}}\] is [IIT-JEE 1991]

    A) 2

    B) 4

    C) 6

    D) 8

    Correct Answer: D

    Solution :

               Cyclobutadienyl anion \[{{({{C}_{4}}{{H}_{4}})}^{2-}}\]                         

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