NEET inorganic chemistry coordinate compounds questions,answers,pdfs

Coordinate Compound Mock Exam-14

Question No:1

0.001 mol of Co(NH3)5(NO3)(SO4) was passed through a cation exchanger and the acid coming out of it required 20 ml of 0.1 M NaOH for neutralisation. Hence, the complex is

[A] [Co(NH3)5SO4]NO3
[B] [Co(NH3)5NO3]SO4
[C] [Co(NH3)5](SO3)(NO3)
[D] none of these

Question No:2

Cu2+ shows a coordination number of

[A] 2 only
[B] 2 or 4
[C] 4 only
[D] 4 or 6

Question No:3

Which of the following is not chelating agent?

[A] thio sulphato
[B] Oxalato
[C] glycinato
[D] ethylene diamine

Question No:4

Which of the following has five donor(coordinating) sites?

[A] Triethylene tetra mine
[B] Ethylenediamine tetracetate ion
[C] Ethylenediamine triacetate ion
[D] Diethylene triamine

Question No:5

A compound contains 1.08 mol of Na, 0.539 mol of Cu and 2.16 mol of F. Its aqueous solution shows osmotic pressure which is three times that of urea having same molar concentration. The formula of the compound is

[A] Na4 [CuF6]
[B] Na[CuF4]
[C] Na2 [CuF4]
[D] Na2 [CuF3]

Question No:6

The IUPAC name of the red coloured complex [Fe(C4H7O2N2)2] obtained from the reaction of Fe2+ and dimethyl glyoxime

[A] bis(dimethyl glyoxime) ferrate(II)
[B] bis(dimethyl glyoximato) iron(II)
[C] bis(2,3- butanediol dioximato) iron(II)
[D] bis(2,3-butanedione dioximato) iron(II)

Question No:7

The molar ionic conductances of the octahedral complexes.
( PtCl4.5NH3
( PtCl4•4NH3
( PtCl4•3NH3
( PtCl4•2NH3

[A] I[B] IV[C] III[D] IV

Question No:8

On treatment of 10 ml of 1M solution of the complex CrCl36H2O with excess of AgNO3, 4.305 g of AgCl was obtained. The complex is

[A] [Cr(H2O)3Cl3]•3H2O
[B] [Cr(H2O)4Cl2]Cl•2H2O
[C] [Cr(H2O)5Cl]Cl2•H2O
[D] [Cr(H2O)6Cl3

Question No:9

Which of the following species is not expected to be a ligand

[A] NO+
[B] NH4+
[C] NH2 – NH3+
[D] CO

Question No:10

The number of donor sites in dimethyl glyoxime, glycinato, diethylene triamine and EDTA are respectively:

[A] 2, 2, 3 and 4
[B] 2, 2, 3 and 6
[C] 2, 2, 2 and 6
[D] 2, 3, 3 and 6

Question No:11

EAN of the central metal in the complexes – K2[Ni(CN4)], [Cu(NH3)4]SO4and K2[PtCl6] are respectively.

[A] 36, 35, 86
[B] 34, 35, 84
[C] 34, 35, 86
[D] 34, 36, 86

Question No:12

Which of the following pair of complexes have the same EAN of the central metal atoms/ions?

[A] [Cu(NH3)4]SO4and K3[Fe(CN)6]
[B] K4 [Fe(CN)6] and [Co(NH3)6]Cl3
[C] K3[Cr(C2O4)3and [Cr(NH3)6]Cl(NO2)2
[D] all

Question No:13

The complex that violates the Sedgwick’s rule of EAN is

[A] Potassium ferrocyanide
[B] Hexamine cobalt(III) Chloride
[C] Tetramine copper(II) sulphate
[D] Potassium dichlorodioxalato cobaltate(III)

Question No:14

The IUPAC name for the coordination compound Ba[BrF4]2 is

[A] Barium tetrafluorobromate(V)
[B] Barium tetrafluorobromate(III)
[C] Barium bis(tetrafluorobromate)(III)
[D] none of these

Question No:15

The formula of the complex hydridotrimethoxoborate(III) ion is:

[A] [BH(OCH3)3] 2-
[B] [BH 2 (OCH3)3] 2-
[C] [BH(OCH3)3]
[D] [BH(OCH3)3] +