GkSeries.com

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

(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
Answer: complex salts
(2) An example of a sigma bonded organometallic compound is
[A] Grignard reagent
[B] Ferrocene
[C] Cobaltocene
[D] Ruthenocene
Answer: Grignard reagent
(3) Iron carbonyl, Fe(CO)5 is
[A] Tetranuclear
[B] Mononuclear
[C] Dinuclear
[D] Trinuclear
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
Answer: Geometrical isomerism
(5) Which of the following elements do not form a complex with EDTA?
[A] Ca
[B] Mg
[C] Be
[D] Sr
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
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
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)
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
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
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
Answer: triamminebromidochloridonitroplatinum (IV) chloride
(12) Trunbull’s blue is
[A] Ferricyanide
[B] Ferrous ferricyanide
[C] Ferrous cyanide
[D] Fe3[Fe(CN)6]4
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
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
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
Answer: [Ni(CN)4]2-
(16) Which of the following has magnesium?
[A] Chlorophll
[B] Haemocyanin
[C] Carbonic anhydrate
[D] Vitamin B12
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
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
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
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 SO42- ions
[D] not give the tests of any of the above
Answer: give the tests of SO42- ions

Please share this page

Chapters

Click Here to Read more questions

Teacher Eligibility Test