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; ula of the inati, qhe form coordination compound tetraammineaquachloridocobalt(III) chloride, , is, @) (CoNH,),(H,0)CI1C1,, (@) (CoNH,),(H,O)CNCI,, , ke, , (b) (Co(NH,),(H,O)CNC1,, (d) {Co(NH,) 4H O)CICL, , 4 Ambidentate ligands like No, and SCN- are: (CBSE Sample Paper. 2020-21), , @ ee (6) didentate, (c) poy’ (d) has variable denticity, Dc one aneirodatast. (CBSE Sample Paper. 2020-21), ce, | 4, Ho om the complex [Co(NH,),Cl] Cl, in solution?, , : (6) 2, @ 4 ee (©) 3 (2) 5 (C.B.S.E. 2020), Which of the following is the most stable complex?, co b 2 ;, (@) (Fe(CO),] (6) [FeGH,0) 1+ (c) [Fe(C,0)),)>* — (d) [Fe(CN),)*, , = dn (C.B.S.E. 2020), | 5, The crystal field splitting energy for octahedral (A ) and tetrahedral (A,) complexes is, related as : fe, a2 5., (ay 6,= GA. (6) A, = 2a, () A= eho (d) A, =2A,, (C.B.S.E. 2020), 6, What type of isomerism is shown by the pair [Cr(H,0,)] Cl, and [Cr(H,0),Cl) C1,H;0?, , (a) Ionization isomerism (BY. Cosmidadisatiscreria, , (c) Solvate isomerism (oye lankaporomenian (CBSE 2020), 7, The coordination number of ‘Co’ in the complex {Co(en),1* is, , a) 8 (6 (c) 4 @ 5 (CBSE 2020), , 8, K,IA(C,0. gl is named as, (a) potassium trioxalatoaluminate(III) (6) potassium aluminooxalate, (c) potassium aluminium(III) oxalate (d) potassium trisoxalatoaluminate(III), , 9, The oxidation states of metal atoms in Ni(CO), and Na[Co(CO),} complexes are:, , (a) 4and4 (b) Oand +3 (c) +2and +3 (d) Oand-1, 10, What is the correct electronic configuration of the central atom in K,{Fe(CN),] based on, : theory?, , crystal field theory’ 8 42 ns éé ia oe, , , , @ te (6) 5,69