12th solve complete question 

12.   Give the formula of each of the following coordination entities:

  (i)    C o 3 +  ion is bound to One  C l - ,   o n e   N H 2  and two bidentate ethylene diamine (en) molecules.
  (ii)    N i 2 +   ion is bound to two water molecules and two oxalate ions. Write the name and magnetic behaviour of each of the above coordination entities. (Atomic no. of Co = 27, Ni=28)             Foreign 2012

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