JEE Main levelSingle correct optionDifficulty 2 of 3cc019
Match each complex ion in Column I with its EAN in Column II (use EAN =Z−oxidation state+2× number of ligands). Column I: P [Fe(CN)X6]X3− (Z=26); Q [PtClX6]X2− (Z=78); R [Ni(NHX3)X6]X2+ (Z=28); S [Cr(NHX3)X6]X3+ (Z=24). Column II: 1) 33; 2) 35; 3) 38; 4) 86.