Question No:1
The diamagnetic species is
[A] [Ni(CN) 4 ]2-
[B] [NiCl4 ]2-
[C] [CoCl4 ]2-
[D] [CoF 6 ]2-
Question No:2
The correct order for the wavelength of absorption in the visible region is
[A] [Ni(NO2 ) 6 ] 4–< [Ni(NH3 ) 6 ] 2+< [Ni(H2 O) 6 ] 2+
[B] [Ni(NO2 ) 6 ] 4–< [Ni(H2 O) 6 ] 2+ < [Ni(NH 3 )6 ]2+
[C]
[D] (C) [Ni(H2 O) 6] 2+ < [Ni(NH3)6]2+< [Ni(NO2 ) 6] 4-
Question No:3
The pair in which both species have same magnetic moment(spin only value) is
[A] [Cr(H2 O) 6] 2+, [CoCl4] 2–
[B] [Cr(H2O) 6] 2+, [Fe(H 2O) 6] 2+
[C] [Mn(H2 O) 6] 2+, [Cr(H 2O6) 2+
[D] [CoCl6] 2–, [Fe(H2 O) 6] 2+
Question No:4
The number of possible isomers of an octahedral complex [Co(C2O4)2(NH3)2] – is
[A] 1
[B] 2
[C] 3
[D] 4
Question No:5
Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands ?
[A] Ni2+
[B] Fe2+
[C] Cu2+
[D] Co2+
Question No:6
Wavelength of red light is absorbed by the complex
[A] [Cu(CN) 4] 2–
[B] [Cu(NH3 ) 4] 2+
[C] CuSO4
[D] Cu(CN) 2
Question No:7
In the change [Cu(H2O)6] 2+ \(xrightarrow{HCl}\)[CuCl(H2O)5] + , the colour changes from
[A] blue to green
[B] blue to pink
[C] pink to green
[D] pink to blue
Question No:8
Which statement is true for ferrocene ?
[A] All Fe-C are of equal length
[B] C are sp2hybridized
[C] It was the first discovered organometallic compound
[D] All of these
Question No:9
A complex PtCl4.5NH3shows a molar conductance of 402 ohm–1 cm2 mol–1 in water and precipitates three moles of AgCl with AgNO3solution. The formula of the complex is
[A] [Pt(NH3)6]Cl4
[B] [Pt(NH3)4Cl2]Cl2
[C] [Pt(NH3)5Cl]Cl3
[D] [Pt(NH3)3Cl3]Cl
Question No:10
The wavelength of light absorbed is highest in
[A] [Co(NH3)5Cl] 2+
[B] [Co(NH3)5 H 2O] 3+
[C] [Co(NH3 ) 6] 3+
[D] [Co(en) 3] 3+
Question No:11
Which of the following is diamagentic ?
[A] [Cu(NH3)4] 2+
[B] [NiCl4] 2–
[C] [PtCl4] 2–
[D] [Cu(H2O) 4] 2+
Question No:12
Which of the following metal ion forms unstable complex with CN– ?
[A] Ag(I)
[B] Zn(II)
[C] Cu(II)
[D] Cr(II)
Question No:13
Least coording number is shown by
[A] Co2 (CO) 8
[B] Mn2 (CO) 10
[C] [Fe(en) 2NH3]
[D] [Cr(OH)3(NH3)3]
Question No:14
The diamagnetic species is
[A] [Ni(CN) 4] 2–
[B] [NiCl4] 2–
[C] [CoCl4] 2–
[D] [CoF4] 3–
Question No:15
Amongst the following the most stable complex is
[A] [Fe(H2O) 6] 3+
[B] [Fe(NH3)6] 3+
[C] [Fe(C2O4)3] 3–
[D] [FeCl6] 3–
Coordinate Compound Mock Exam-22
CategoriesNEET Chemistry