2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-80

  • question_answer
    The coordination number of a central atom in a molecules or crystal is the number of its nearest neighbours. The coordination number of sodium in \[{{\operatorname{Na}}_{2}}O\] is

    A)  2                                

    B)  4

    C)  6                                

    D)  8

    Correct Answer: B

    Solution :

    In \[N{{a}_{2}}O\], \[N{{a}^{+}}\] is surrounded by 4 ion. Four oxide ion it has anti fluorite structure.


You need to login to perform this action.
You will be redirected in 3 sec spinner