Class 12 Chemistry DPP PDF

Class 12th CBSE (Gyanodaya Batch) Coordination Compound 1-AgCl is soluble in aqueous ammonia due to formation of: (a) [Ag(NH3)2]2+ (b) [Ag(NH4)2]+ (c) [Ag(NH3)4] + (d) [Ag(NH3)2] 2-Which of the following gi...

Class 12th CBSE (Gyanodaya Batch) Coordination Compound 1-AgCl is soluble in aqueous ammonia due to formation of: (a) [Ag(NH3)2]2+ (b) [Ag(NH4)2]+ (c) [Ag(NH3)4] + (d) [Ag(NH3)2] 2-Which of the following gives a white precipitate in aqueous solution with silver nitrate: (a) [Cr(NH3)5Cl](NO2)2 (b) [Pt(NH3)3Cl2] (c) [Pt(CN)2Cl2] (d) [Pt(NH3)2]Cl2 3-In which of the following compounds oxidation state of metal is zero : (a) [Pt(NH3)2Cl2] (b) [Cr(CO)6] (c) [Cr(NH3)3Cl3] (d) [Cr(CN)2Cl2] 4-Example of dsp2 hybridization is : (a) [Fe(CN)6]-3 (b) [Ni(CN)4]-2 (c) [Zn(NH3)4] +2 (d) [FeF6]-3 5-Oxidation state of Fe in [Fe(CO)3] complex is : (a) -1 (b) +2 (c) + 4 (d) 0 6-Grignard reagent is : (a) Organometallic compound (b) Complex compound (c) Double salt (d) Neutral compound. 7-Structure of complex salt was proposed by : (a) Berzelius (b) Werner (c) Raoult (d) Faraday. 8-The I.U.P.A.C. name of [Ni(CO)4] is : (a) Tetracarbonyl nickelate (0) (b) Tetracarbonyl nickelate (II) (c) Tetracarbonyl nickel (0) (d) Tetracarbonyl nickel (II) 9-Which of the following complex is used as anti-cancer agent: (a) Trsns[CO(NH3)2Cl3] (b) cis[Pt(NH3)2Cl2] (c) cisK2[PtCl2Br2] (d) Na2CO3. 10-Correct nomenclature of Fe4[Fe(CN)6]3 is : (a) Ferroso ferric cyanide (b) Ferric ferrous hexacyanate (c) Iron (III) Hexacyanoferrate (d) Hexacyanoferrate (III-II). 11-Write two examples of monodentate ligands. 12-What will be the geometry of [Cr(NH3)6]3+ complex ion?  Fill in the blanks 13-COF6]-3 is a ……………. spin complex. 14-E. D. T. A is ……………. ligand. 15-Haemoglobin is a ……………. compound of iron. 16-Oxidation state of Co in [Co (E.D.T.A)] is ……………. 17-The formula of dibromo chlorotriaquo chromium (III) is ……………. 18-Among the following ions, whose magnetic moment value will be maximum. [Cr(H2O)6]3+ [Fe(H2O)6]2+ [Zn(H20)6]2+. 19-Write IUPAC name of the complex : [Pt(NH3)4][PtCl4]. 20-What is the hybridization of Fe in the complex ion [Fe(CN)6]3-? 21-Explain [CO(NH3)6]3+ is an inner orbital complex whereas [Ni(NH3)6]2+ is an outer orbital complex........................................................................................................................ (22-25)Write the IUPAC names of the following co – ordination compounds : [CO(NH3)6]C13 K3[Fe(C2O4)3] [Pt(NH3)2Cl(NH2CH3)]Cl. SUPER 90 CLASSES BEHIND SJS SCHOOL NIRALA NAGAR RAEBARELY  9453757992, 9455913350