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NEET Sample Paper NEET Sample Test Paper-3

  • question_answer
    Name of the structure of silicates in which three oxygen atoms of \[{{[Si{{O}_{4}}]}^{4-}}\] are shared is

    A)  pyro silicate

    B)  sheet silicate

    C)  linear chain silicate

    D)  three dimensional silicate

    Correct Answer: B

    Solution :

        All silicates have tetrahedral \[SiO_{4}^{4-}\] ion, as a basic building unit i.e. all silicates are composed of many units. Tetrahedral shape of \[{{\left[ Si{{O}_{4}} \right]}^{4-}}\] ion is due to \[s{{p}^{3}}-\]hybridisation of Si-atom. Sheet Silicates are formed when three oxygen atoms (bridging O-atoms) of each \[{{(Si{{O}_{4}})}^{4-}}\]unit are shared.


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