Question Answers

Correct increasing order for the wavelengths of absorption in the visible region the complexes of Co 3+ is Correct increasing order for the wavelengths of absorption in the visible region the complexes of Co 3+ is December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following complex ion has least stability (a) (Co(CN)6) 3- (b) (Co(NH3)6)2+ Which of the following complex ion has least stability (a) (Co(CN)6) 3- (b) (Co(NH3)6)2+ December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of these statements about (Co(CN)6)3- is true (a) (Co(CN)6) 3- has four unpaired electrons and will be in a low-spin configuration Which of these statements about (Co(CN)6)3- is true (a) (Co(CN)6) 3- has four unpaired electrons and will be in a low-spin configuration December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Addition of excess potassium iodide solution to a solution of mercuric chloride gives the halide complex (a) Tetrahedral K2(Hgl4) Addition of excess potassium iodide solution to a solution of mercuric chloride gives the halide complex (a) Tetrahedral K2(Hgl4) December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the brown ring complex (Fe(H2))5(NO))So4, nitric oxide behaves as (a) NO+ (b) Neutral NO molecule In the brown ring complex (Fe(H2))5(NO))So4 nitric oxide behaves as (a) NO+ (b) Neutral NO molecule December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Silver sulphide dissolved in a solution of sodium cynamide to form the complex (a) Na(Ag(CN)2) (b) Na3(Ag(CN)4) Silver sulphide dissolved in a solution of sodium cynamide to form the complex (a) Na(Ag(CN)2) (b) Na3(Ag(CN)4) December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A solution containing 2.675 g of CoCl3.6NH3 (molar mass = 267.5 mol^-1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 A solution containing 2.675 g of CoCl3.6NH3 (molar mass = 267.5 mol^-1) is passed through a cation exchanger. The chloride ions obtained in solution were [...]

How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Complex salt can be made by the combination of (Co III (NH3)5 Cl)X with (a)PO4 3- (b) Cl – (c) 2Cl- Complex salt can be made by the combination of (Co III (NH3)5 Cl)X with (a)PO4 3- (b) Cl - (c) 2Cl- December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

AlF3 is soluble in HF only in presence of KF. It is due to the formation of (a) K (AlF3H) (b) K3(AlF3H3) AlF3 is soluble in HF only in presence of KF. It is due to the formation of (a) K (AlF3H) (b) K3(AlF3H3) December 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]