Class 12 Chemistry Chapter 9 Coordination Compounds Multiple Choice Questions (MCQs) and Answers | Class 12 Chemistry Chapter 9 Coordination Compounds Quiz

Questions

1 Some salts containing two different metallic elements give test for only one of them in solution, such salts are

A double salts

B normal salts

C complex salts

D None of these

View Answer

Answer:complex salts

2 An example of a sigma bonded organometallic compound is

A Grignard reagent

B Ferrocene

C Cobaltocene

D Ruthenocene

View Answer

Answer:Grignard reagent

3 Iron carbonyl, Fe(CO)⁵ is

A Tetranuclear

B Mononuclear

C Dinuclear

D Trinuclear

View Answer

Answer: Mononuclear

4 The type of isomerism shown by the complex [CoCl²(en)²] is

A Geometrical isomerism

B Coordination isomerism

C Linkage isomerism

D Ionization isomerism

View Answer

Answer:Geometrical isomerism

5 Which of the following elements do not form a complex with EDTA?

A Ca

B Mg

C Be

D Sr

View Answer

Answer:Be

6 When 0.1 mol CoCl³(NH³)⁵ is combined with excess AgNO³, then 0.2 mol AgCl is obtained. The conductivity of the solution suits the

A 1:3 electrolyte

B 1:1 electrolyte

C 3:1 electrolyte

D 1:2 electrolyte

View Answer

Answer:1:2 electrolyte

7 A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?

A Thiosulphato

B Oxalato

C Glycinato

D Ethane-1,2-diamine

View Answer

Answer:Thiosulphato

8 IUPAC name of [Pt(NH₃)₂Cl(NO₂)] is

A Platinum diamminechloronitrite

B Chloronitrito-N-ammineplatinum (II)

C Diamminechloridonitrito-N-platinum (II)

D Diamminechloronitrito-N-plantinate (II)

View Answer

Answer:Diamminechloridonitrito-N-platinum (II)

9 In the complex [E(en)₂(C₂O₄)]NO₂ (where (en) is ethylenediamine) _______are the coordination number and the oxidation state of the element ‘E’ respectively.

A 6 and 2

B 2 and 2

C 4 and 3

D 6 and 3

View Answer

Answer:6 and 3

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

A 9

B 6

C 7

D 8

View Answer

Answer:9

11 IUPAC name of [Pt(NH₃)₃ Br (NO₂) Cl] Cl isw

A triamminechlorodibromidoplatinum (IV) chloride

B triamminechloridobromidonitrochloride- platinum (IV) chloride

C triamminebromidochloridonitroplatinum (IV) chloride

D triamminenitrochlorobromoplatinum (IV) chloride

View Answer

Answer:triamminebromidochloridonitroplatinum (IV) chloride

12 Trunbull’s blue is

A Ferricyanide

B Ferrous ferricyanide

C Ferrous cyanide

D Fe₃[Fe(CN)₆]₄

View Answer

Answer:Ferrous ferricyanide

13 Primary and secondary valency of Pt in [Pt(en)₂Cl₂] are

A 4, 4

B 4, 6

C 6, 4

D 2, 6

View Answer

Answer:2, 6

14 The complex ions [Co(NH₃)₅(NO₂)]²⁺ and [Co(NH₃)₅ (ONO)]²⁺ are called

A Ionization isomers

B Linkage isomers

C Co-ordination isomers

D Geometrical isomers

View Answer

Answer: Linkage isomers

15 Which of the following has square planar structure?

A [NiCl₄]^2-

B [Ni(CO)₄]

C [Ni(CN)₄]^2-

D None of these

View Answer

Answer:[Ni(CN)₄]^2-

16 Which of the following has magnesium?

A Chlorophll

B Haemocyanin

C Carbonic anhydrate

D Vitamin B₁₂

View Answer

Answer: Chlorophll

17 Mohr’s salt is

A Fe₂(SO₄) 3 . (NH₄)₂SO₄. 6H₂O

B FeSO₄ . (NH₄)₂ . SO₄ . 6H₂O

C MgSO₄ . 7H₂O

D FeSO₄ . 7H₂O

View Answer

Answer: FeSO₄ . (NH₄)₂ . SO₄ . 6H₂O

18 Which of the following shall form an octahedral complex?

A d⁴ (low spin)

B d⁸ (high spin)

C d⁶ (low spin)

D All of these

View Answer

Answer:d⁸ (high spin)

19 EDTA is used for the estimation of

A Na⁺ and K⁺ ions

B Cl^– and Br^– ions

C Cu²⁺ and Cs⁺ ions

D Ca²⁺ and Mg²⁺ ions

View Answer

Answer:Ca²⁺ and Mg²⁺ ions

20 The solution of the complex [Cu(NH₃)₄] SO₄ in water will

A give the tests of Cu²⁺ ion

B give the tests of NH₃

C give the tests of SO₄^2- ions

D not give the tests of any of the above

View Answer

Answer: give the tests of SO₄^2- ions

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