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MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

  • question_answer
    Which of the following alkaline earth metal oxides shows a coordination number four?

    A)  \[BeO\]                              

    B)  \[MgO\]

    C)  \[SrO\]                               

    D)  \[CaO\]

    Correct Answer: A

    Solution :

                    Be shows a coordination number of four in\[BeO\]which is covalent and has zinc sulphide (Wurtzite) structure while all others show a coordination number of six (\[NaCl\] structure) and arc ionic.


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