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Free download in PDF Class 12 Chemistry Chapter 9 Coordination Compounds Multiple Choice Questions (MCQs) and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>
(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
(2)
An example of a sigma bonded organometallic compound is
[A]
Grignard reagent
[B]
Ferrocene
[C]
Cobaltocene
[D]
Ruthenocene
(3)
Iron carbonyl, Fe(CO)5 is
[A]
Tetranuclear
[B]
Mononuclear
[C]
Dinuclear
[D]
Trinuclear
(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
(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
(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
(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
(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
(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
(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
(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
(16)
Which of the following has magnesium?
[A]
Chlorophll
[B]
Haemocyanin
[C]
Carbonic anhydrate
[D]
Vitamin B12
(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
(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
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