22565.Which of the following facts about the complex [Cr(NH3)6]Cl3 is wrong?
The complex gives white precipitate with silver nitrate solution
The complexinvolves d2sp3 hybridization and is octahedral in shape
The complex is paramagnetic
The complex is an outer orbital complex
22566.In Fe(CO)5,the Fe–C bond posses
π–character only
both σ and π–characters
ionic character
σ–character only
22567.When EDTA solution is added to Mg2+ ion solution, then which of the following statements is not true?
four coordinatesites of Mg2+ are occupied by EDTA and remaining two sites are occupied by water molecules
All six coordinate sites of Mg2+ are occupied
pH of the solution is decreased
Colorless [Mg–EDTA]2– chelate is formed
22568.Which of the following pairs represents linkage isomers?
[Pd(PPh3)2(NCS)2] and [Pd(PPh3)2(SCN)2]
[Co(NH3)5NO3]SO4 and [Co(NH3)5SO4]NO3
[PtCl2(NH3)4]Br2 and [PtBr2(NH3)4]Cl2
[Cu(NH3)4][PtCl4] and [Pt(NH3)4][CuCl4]
22569.A complex compound in which the oxidation number of a metal is zero is
K4[Fe(CN)6]
K3[Fe(CN)6]
[Ni(CO)4]
[Pl(NH3)4]Cl2
22571.The complex ion which has highest magnetic moment among the following is
[CoF6]3–
[Co(NH3)6]3+
[Ni(NH3)4]2+
[Ni(CN)4]2–
22572.The correct statement with respect to the complexes Ni(CO)4 and [Ni(CN)4]2– is
nickel is in the same oxidation state in both
both have tetrahedral geometry
both have square planar geometry
have tetrahedral and square planar geometry respectively
22573.Excess of silver nitrate solution is added to 100 ml of 0.01 M Pentaaqua chloro chromium(III) chloride solution. The mass of silver chloride obtained in grams is [Atomic mass of silver is 108].
287 × 10–3
143.5 × 10–3
143.5 × 10–2
287 × 10–2