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JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

  • question_answer
    The number and type of bonds in \[C_{2}^{2-}\]ion in \[Ca{{C}_{2}}\] are:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )

    A) One \[\sigma \] bond and one \[\text{ }\!\!\pi\!\!\text{ -}\]bond

    B) One \[\sigma \] bond and two \[\text{ }\!\!\pi\!\!\text{ -}\]bond

    C) Two \[\sigma \] bond and two \[\text{ }\!\!\pi\!\!\text{ -}\]bond

    D) Two \[\sigma \] bond and one \[\text{ }\!\!\pi\!\!\text{ -}\]bond

    Correct Answer: D

    Solution :

                    The structure of CaC2 is \[C{{a}^{2+}}{{[:C\equiv C:]}^{2}}\]i.e, one \[\pi \]and two \[\sigma \] bonds


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