JEE Main 2008Annual, Paper 1ChemistryEasyCoordination Compounds198× since 2002
The coordination number and the oxidation state of the element ‘E’ in the complex [E(en)₂(C₂O₄)]NO₂ (where (en) is ethylene diamine) are, respectively,
JEE Main 2008 · Annual, Paper 1 · Q584