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KVPY Sample Paper KVPY Stream-SX Model Paper-11

  • question_answer
    Which of the following species does not exist

    A) \[C{{I}_{4}}\]                          

    B) \[{{[Si{{O}_{4}}]}^{4\,-}}\]

    C) \[{{[C{{O}_{4}}]}^{4\,-}}\]                

    D) \[{{C}_{2}}\]

    Correct Answer: C

    Solution :

    \[{{[C{{O}_{4}}]}^{-\,4}}\] does not exist.


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