c) M C bond is d p bond d) All

1. Which of the following ligand is quinquidentate a) EDTA–4 b) NTA c) HDMG d) HEDTA 2. With which of the following ligand N–M–O bonding is possible in the metal complex.

3. EDTA ligand consist of a) 4-neutral donor atoms, 4-acidic donor atoms b) 2-neutral donor atoms, 2-acidic donor atoms c) 2-neutral donor atoms, 4-acidic donor atoms d) None 4. Which of the following is correct regarding M–CO bond in metal Carbonyls a) M–C bond length is shorter than normal M–C bond b) C–O bond length is longer than normal C O length

a) Bipy b) acac c) gly d) None

5. ‘Terpy’ is a a) Bidentate ligand b) Tetradentate ligand c) Tridentate ligand d) Pentadentate ligand

6. [Co(en)3]+3 complex the ring size of Co–en is a) Five membered ring b) Six membered ring c) Seven membered ring d) None of these 7. [Ni(gly)2] complex has two chelate rings the size of each chelate is

9. [Co(en)2SO4]+ the coordination number of cobalt is a) 4 b) 5 c) 3 d) None

12. From which one of the complex 2/3 chlorine can be precipitated a) [Co(NH3)6]Cl3 b) [Rh(PPh3)3Cl] c) [Pt(NH3)4Cl2]Cl2 d)

11. In the complexes [Ni(DMG)2] and [Ni(HDMG)2]+2 the Nickel oxidation number is a) +2, +2 b) +1, 0 c) +2, +1 d) +2, +4

10. [Fe(o–phen)3]+2 the coordination number of Iron is

a) 2 b) 3 c) 5 d) 6

Co(NH3)4Cl]Cl2

a) 86 b) 84 c) 85 d) None

13. The number of particles that would form in aqueous solution from Co(NH3)4Cl3 a) 2 b) 3 c) 4 d) 1 14. Number of ions produced from the complex compound in its aqueous solutions CoCl3 3NH3 a) 1 b) 0 c) 2 d) 3 15. The number of ligands exhibit dual character for the Werner’s formula Pt4NH3Cl4 is

a) 0 b) 3 c)2 d)3

16. The EAN of [Pt(NH3)6]+4

a) 4–membered ring b) 3–membered ring c) 5–membered ring d) 6–membered ring 8. Glycinato ligand consists of a) A neutral donor atoms and acidic donor atom b) Two neutral donor atoms only c) Two acidic donor atoms only d) Two basic donor atoms

17. Which of the following does not obey EAN rule a) Fe(CO)5 b) Cr(CO)6 c) Mn2(CO)10 d) V(CO)6 18. The EAN of the complex is 54. It has 6 ligands and the metal ion is in +2 oxidation state. The

atomic number of the metal atom is a) 42 b) 43 c) 44 d) None 19. The formula of the complex tris(ethylene diamine) cobalt (III) sulphate is a) [Co(en)3]SO4 b) [Co(en)3](SO4)2 c) [Co(en)3]2(SO4) d) [Co(en)3]2(SO4)3

AIIMS,CBSE,AIPMT, AFMC,Bio.Tech & PMT, Contact :- 9438559863, Mail at :- ibiokaare@gmail.com,www.ibiokaare.com,compiled by AKB

ww

w.ibiokaare.com

ww

w.ibiokaare.com

ww

w.ibiokaare.com

23. Chemical formula of the complex ammonium hexa isothicyanato chromate (III) a) (NH4)2[Cr(NCS)6] b) (NH4)4[Cr(NCS)6] c) (NH4)3[Cr(NCS)6] d) None of these 24. The valence bond diagram of a metal ion in its complexation indicates a) Colour b) Stability c) Stereo chemistry d) Magnetic property 25. Which of the following posses tetrahedral Geometry

a) [Cu(NH3)4]+2 b) [Ni(NH3)4]+2 c) [Ni(dmg)2] d) [Zn(CN)4]–2

26. In which of the following dsp2 hybridisation is found a) [Ni(CN)4]–2 b) [Ni(dmg)2]0 c) [Ni(NH3)4]+2 d) All

28. Which of the following complexes of Ni(II) will show tetrahedral geometry a) [NiCl4]–2 b) [Ni(CN)4]–2 c) [Ni(dmg)2]0 d) [Ni(en2)2]+2 29. The magnetic moment in(BM) of an outer orbital Ni(II) complex would be a) 1.73 b) 2.83 c) 3.87 d) 4.0 30. From valence bond diagram of [CoF6]–3 ion it is not possible to note that a) Number of unpaired electrons b) Geometry c) Stability d) None

27. Which of the following posses trigonal bipyromidal geometry

a) [Fe(CO)5] b) [Fe(CO)4 (Ph3P)] c) [Fe(CO)3(Ph3O)2] d) All

31. Which of the following compound shows optical isomerism ?

(a) [Co(CN)6]3- (b) [Cr(C2O4)3]3- (c) [ZnCl4]2- (d) [Cu(NH3)4]2+

20. Name the complex [Co(en)(NH3)2Cl2]+ a) Dichloro diamine ethylene diamine cobalt (II) ion b) Dichloro diamine ethylene diamine cobalt (III) ion c) Dichloro diamine ethylene diamine cobalt (II) ion d) Diamine dichloro (ethylene diamine) cobalt (III) ion 21. Correct name of the complex [Pt(NH3)(H2O)C5H5N)(NO2)]Cl

a) Nitro pyridine ammine aquo platinum (II) chloride b) Ammine aqua nitro pyridine platinum (II) ion c) Ammine aqua nitro pyridine platinum (II) chloride d) None of the above 22. Chemical formula of the complex potassium tetracyano Nickelate (0) is a) K3[Ni(CN)4] b) K4[Ni(CN)4] c) K2[Ni(CN)4] d) [Ni(CN)4]–4

32. The coordination compounds,[Co(NH3)6]3+, [Cr(CN)6]3- and [Cr(NH3)6]3+[Co(CN)6]3- are ex-amples of...

(a) Linkage isomerism (b) coordination isomerism

(c) ionization isomerism (d) geometrical isomerism

33. Number of possible optical isomers in [Co(en)2Cl2]+ is

(a) 2 (b) 3 (c) 4 (d) 634. According to postulates of Werner’s theory for coordination compouds,which of the following istrue ?

(a) Primary valencies are ionizable (b) Secondary valencies ionizable

(c) Only primary valencies are non-ionizable (d) Primary and secondary valencies are non-ionizable

35. Geometrical shapes of the complexes formed by the reaction of Ni2+ with CI-,CN- and H2Orespectively are

(a) Octahedral, tetrahedral and square planer (b) Tetrahedral, square planer and octahedral

(c) Square planer, tetrahedral and Octahedral (d) Octahedral, square planer and tetrahedral

AIIMS,CBSE,AIPMT, AFMC,Bio.Tech & PMT, Contact :- 9438559863, Mail at :- ibiokaare@gmail.com,www.ibiokaare.com,compiled by AKB

ww

w.ibiokaare.com

ww

w.ibiokaare.com

ww

w.ibiokaare.com

z2 (B) dxz, dx2-y

2 (C) dz2,dxz (D) dyz, dxy

2,d

43. Which of the following species will be diamagnetic ?

(A) [Fe(CN)6]4- (B) [FeF6]3+ (C) [Co(C2O4)3]3- (D) [CoF6]3-

42. In an octahedral,structure, the pair of d-orbitals involved in d2sp3 hybridisation is

(a) 0 (b) 2.84 (c) 4.90 (d) 5.92

41. Potassium ferrocyanide is an example of(a) Tetrahedral (b) Octahedral (c) Square Planar (d) Linear

40. The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)6 is

39. The complex showing a spin-only magnetic moment of 2.82 BM is

(a) Ni(CO)4 (b) [NiCI4]2- (c) [Ni(NH3)4]2+ (d) [Ni(CN)4]2-

(a) 1.82 BM (b) 5.46 BM (c) 2.82 BM (d) 1.41 BM

38.Among the ligands NH3,en,CN- and CO the correct order of their increasing field strength, is

(a) CO< NH3 <en < CN– (b) NH3< en< CN–< CO

(c) CN–< NH3< CO< en (d) en< CN– <NH3 < CO

37. The magnetic moment (spin only) of [NiCI4]2- is

(a) The complex involves d2sp3 hybrdization and is octahedral in shape ?

(b) The complex is paramagnetic

(c) The complex is an outer orbital complex

(d) The complex gives white precipitate with silver nitrate solution

2 - y(A) dx

36. Which of the followin facts about the complex [Cr(NH3)6]CI is wrong ?

50. In Fe(CO)5 the Fe - C bond possesses

(a) p - character only (b)both s and p - character(c) ionic character (d) s - character only

49. The magnetic moment of [Co(NH3)6]CI3 is

(a) 1.73 (b) 2.83 (c) 6.6 (d) Zero

(a) [Fe(CN)6]4- (b) [Mn(CN)6]4- (c) [Co(NH3)6]3+ (d) [Ni(NH3)6]2+

48. Which one of the following complex is an outer orbital complex ?

(At. no. Mn=25, Fe=24, Co=27, Ni=28)

(a) Zeise’s salt (b) Ferrocene(c) Dibenzene chromium (d) Tetraethyl tin

(a) Sodium (b) Titanium (c) Magnesium (d) Palladium47. The p - bonded organometallic compound which has ethane as one of its component is

46. In the grignard reaction, which metal forms an organometallic bond ?

45. The number of unpaired electrons calculated in [Co(NH3)6]3+ and [Co(F6)]3- are

(a) 4 and 4 (b) 0 and 2 (c) 2 and 4 (d) 0 and 4

44. In which of the following octahedral complexes of Co (at. no.27) will be magnitude of D 0 be thehighest ?

(a) [Co(CN)6]3- (b) [Co(C2O4)3]

3- (c) [Co(H2O)6]3+ (d) [Co(NH3)6]

3+

AIIMS,CBSE,AIPMT, AFMC,Bio.Tech & PMT, Contact :- 9438559863, Mail at :- ibiokaare@gmail.com,www.ibiokaare.com,compiled by AKB

ww

w.ibiokaare.com

ww

w.ibiokaare.com

ww

w.ibiokaare.com

1 2 3 4 5 6 7 8 9 10 d c c d c a c a d d

10 b 35 b11 c 36 c12 c 37 c13 c 38 b14 a 39 b15 a 40 a16 b 41 b17 c 42 a18 b 43 a19 c 44 a20 c 45 d21 c 46 c22 c 47 a23 c 48 d24 a 49 d25 c 50 b

11 12 13 14 15 16 17 18 19 20 a d a b c a d c d d 21 22 23 24 25 26 27 28 29 30 c b c d d d d a b c

31 32 33 34b b a a

AIIMS,CBSE,AIPMT, AFMC,Bio.Tech & PMT, Contact :- 9438559863, Mail at :- ibiokaare@gmail.com,www.ibiokaare.com,compiled by AKB

ww

w.ibiokaare.com

ww

w.ibiokaare.com

ww

w.ibiokaare.com