Coordination Compounds NEET Questions 2024

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Coordination Compound Chemistry NEET Practice Questions

1 / 27

Which one of the following complexes is not expected to exhibit isomerism?

(b) [Pt(NH₃)₂Cl₂]

(d) [Ni(en)₃]²⁺

(a) [Ni(NH₃)₄(H₂O)₂]²⁺

2 / 27

The sum of the coordination number and oxidation number of the metal M in the complex [M(en)₂(C₂O₄)]Cl (where en is ethylenediamine) is

(b) 7

(a) 6

(d) 9

3 / 27

Which of the following will exhibit maximum ionic conductivity?

(d) [Ni(CO)₄]

(b) [Co(NH₃)₆]Cl₃

(a) K₄[Fe(CN)₆]

4 / 27

The name of complex ion, [Fe(CN)₆]^3– is

(b) tricyanoferrate(III) ion

(d) hexacyanoiron(III) ion

(a) hexacyanitoferrate(III) ion

5 / 27

The correct increasing order of trans-effect of the following species is

(a) NH₃ > CN– > Br– > C₆H₅–

(d) CN– > Br– > C₆H₅– > NH₃

(b) CN– > C₆H₅– > Br– > NH₃

6 / 27

Coordination number of Ni in [Ni(C₂O₄)₃]^4– is

(a) 3

(d) 2

(b) 6

7 / 27

The complex, [Pt(py)(NH₃)BrCl] will have how many geometrical isomers?

(d) 2

(b) 4

(a) 3

8 / 27

The formula of dichlorobis(urea)copper(II) is

(a) [Cu {OC(NH₂)₂}Cl]Cl

(d) [CuCl₂ {O C(NH₂)₂}₂]

(b) [CuCl₂] {O C(NH₂)₂}

9 / 27

[Co(NH₃)₄ (NO₂)₂]Cl exhibits

(a) linkage isomerism, geometrical isomerism, and optical isomerism

(b) linkage isomerism, ionization isomerism and optical isomerism

(d) ionization isomerism, geometrical isomerism and optical isomerism.

10 / 27

The existence of two different coloured complexes with the composition of [Co(NH₃)₄Cl₂]⁺ is due to

(b) geometrical isomerism

(a) linkage isomerism

(d) ionization isomerism.

11 / 27

Which complex compound will give four isomers?

(b) [Co(en)₂Cl₂]Cl

(a) [Fe(en)₃]Cl₃

(d) [Co(PPh₃)₃Cl]Cl₃

12 / 27

Which of the following will give a pair of enantiomorphs?

(a) [Cr(NH₃)₆][Co(CN)₆]

(b) [Co(en)₂Cl₂]Cl

(d) [Co(NH₃)4Cl₂]NO₂ (en = NH₂CH₂CH₂NH₂)

13 / 27

The hypothetical complex chlorodiaquatriammine cobalt(III) chloride can be represented as

(d) [Co(NH₃)₃(H₂O)₃]Cl₃

(b) [Co(NH₃)₃(H₂O)Cl₃]

(a) [CoCl(NH₃)₃(H₂O)₂]Cl₂

14 / 27

Which of the following will give maximum number of isomers?

(a) [Co(NH₃)₄Cl₂]

(b) [Ni(en)(NH₃)₄]²⁺

(d) [Cr(SCN)2(NH3)4]+

15 / 27

An excess of AgNO₃ is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of AgCl precipitated would be

(b) 0.01

(d) 0.002

(a) 0.003

16 / 27

Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give a test for chloride ions with silver nitrate at 25°C?

(b) CoCl₃ · 6NH₃

(a) CoCl₃ · 5NH₃

(d) CoCl₃ · 4NH₃

17 / 27

The number of possible isomers for the complex [Co(en)₂Cl₂]Cl will be (en = ethylenediamine)

(a) 1

(d) 2

(b) 3

18 / 27

Which one of the following is expected to exhibit optical isomerism? (en = ethylenediamine)

(a) cis-[Pt(NH₃)₂Cl₂]

(b) trans-[Pt(NH₃)₂Cl₂]

(d) trans-[Co(en)₂Cl₂]⁺

19 / 27

Which of the following statements is true?

(a) Silicon exhibits 4 coordination number in its compound.

(d) Elements of 15th gp shows only +3 and +5 oxidation states.

(b) Bond energy of F₂ is less than Cl₂.

20 / 27

The correct IUPAC name for [CrF₂(en)₂]Cl is

(d) chlorodifluoridobis(ethylene diamine) chromium (III)

(a) chlorodifluoridoethylenediaminechromium (III) chloride

(b) difluoridobis(ethylene diamine)chromium (III) chloride

21 / 27

Which of the following ligands is expected to be bidentate?

(d) C₂O₄^2–

(b) CH3C N

(a) CH₃NH₂

22 / 27

The formula of dichlorobis(urea)copper(II) is

(d) [CuCl₂ {O C(NH₂)₂}₂]

(a) [Cu {OC(NH₂)₂}Cl]Cl

(b) [CuCl₂] {O C(NH₂)₂}

23 / 27

Which of the following does not show optical isomerism?

(b) [Co(en)Cl₂(NH₃)₂]⁺

(a) [Co(NH₃)₃Cl₃]⁰

(d) [Co(en)₂Cl₂]⁺(en = ethylenediamine)

24 / 27

The anion of acetylacetone (acac) forms Co(acac)₃ chelate with Co³⁺. The rings of the chelate are

(b) four-membered

(d) Three-membered

(a) five membered

25 / 27

The correct order of the stoichiometries of AgCl formed when AgNO₃ in excess is treated with the complexes: CoCl₃.6NH₃, CoCl₃.5NH₃, and CoCl₃.4NH₃ respectively is

(b) 3AgCl, 2AgCl, 1AgCl

(a) 3AgCl, 1AgCl, 2AgCl

(d) 1AgCl, 3AgCl, 2AgCl

26 / 27

Which of the following coordination compounds would exhibit optical isomerism

(d) tris-(Ethylenediamine)cobalt(III) bromide

(b) Diamminedichloroplatinum(II)

(a) Pentaamminenitrocobalt(III) iodide

27 / 27

The coordination number and oxidation state of Cr in K₃[Cr(C₂O₄)₃] are respectively

(b) 3 and 0

(a) 3 and + 3

(d) 4 and + 2

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