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Q)

The coordination number and the oxidation state of the element ‘E’ in the complex $[E(en)_2(C_2O_4)]NO_2$ (where (en) is ethylene diamine) are, respectively,


( A ) 6 and 3
( B ) 4 and 3
( C ) 6 and 2
( D ) 4 and 2

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