The coordination number and the oxidatio...

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 etylenediamine ) are , respectively ________.

A

4 and 2

B

4 and 3

C

6 and 3

D

6 and 2

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The correct Answer is:

C

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