Refer to CBSE Class 12 Chemistry Coordination Compounds MCQs provided below available for download in Pdf. The MCQ Questions for Class 12 Chemistry with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 9 Coordination Compounds are an important part of exams for Class 12 Chemistry and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 12 Chemistry and also download more latest study material for all subjects
MCQ for Class 12 Chemistry Chapter 9 Coordination Compounds
Class 12 Chemistry students should refer to the following multiple-choice questions with answers for Chapter 9 Coordination Compounds in Class 12.
Chapter 9 Coordination Compounds MCQ Questions Class 12 Chemistry with Answers
Question : The number of unpaired electrons in Ni(CO)4 is
(a) 0
(b) 1
(c) 3
(d) 5
Answer : A
Question : The organometallic compound is :
(a) Ti(OCOCH3 )4
(b) Ti(C2H5 )4
(c) Ti(OC6H5 )4
(d) Ti(OC2H5)4
Answer : B
Question : Mercuric chloride is soluble in KI solution due to :
(a) the formation of complex ion
(b) common iodide ion
(c) none of the above
(d) both (a) and (b)
Answer : A
Question :
(a) 16
(b) 26
(c) 36
(d) 46
Answer : C
Question : The reagent commonly used to determine hardness of water titrimetrically is
(a) oxalic acid
(b) disodium salt of EDTA
(c) sodium citrate
(d) sodium thiosulphate
Answer : B
Question : Which of the following is not considered as an organometallic compound?
(a) cis-platin
(b) Ferrocene
(c) Zeise's salt
(d) Grignard reagent
Answer : A
Question : Which of the following does not have optical isomer?
Answer : C
Question : An aqueous solution of CoCl2 on addition of excess of concentrated HCl turns blue due to formation of :
Answer : C
Question : The diamagnetic species is
Answer : A
Question : The correct order for the wavelength of absorption in the visible region is :
Answer : A
Question : According to the postulates of Werner for coordination compounds
(a) primary valency is ionizable
(b) secondary valency is ionizable
(c) primary and secondary valencies are non-ionizable
(d) only primary valency is non-ionizable.
Answer : A
Question : Which of the following postulates of Werner’s theory is incorrect?
(a) Primary valencies are satisfied by negative ions.
(b) Secondary valencies are satisfied by neutral molecules or negative ions.
(c) Secondary valence is equal to the coordination number and it depends upon the nature of ligand attached to metal.
(d) The ions/ groups bound by the secondary linkages to the metal have charecteristic spatial arrangements.
Answer : C
Question : CrCl3 has primary valence of
(a) 3
(b) 4
(c) 2
(d) 1
Answer : A
Question : One mole of the complex compound Co(NH3)5Cl3, gives 3 moles of ions on dissolution in water. One mole of the same complex reacts with two moles of AgNO3 solution to yield two moles of AgCl (s). The structure of the complex is
(a) [Co(NH3)3Cl3]. 2 NH3
(b) [Co(NH3)4Cl2] Cl . NH3
(c) [Co(NH3)4Cl] Cl2. NH3
(d) [Co(NH3)5Cl] Cl2
Answer : D
Question : When AgNO3 is added to a solution of Co(NH3)5Cl3, the precipitate of AgCl shows two ionisable chloride ions. This means :
(a) Two chlorine atoms satisfy primary valency and one secondary valency
(b) One chlorine atom satisfies primary as well as secondary valency
(c) Three chlorine atoms satisfy primary valency
(d) Three chlorine atoms satisfy secondary valency
Answer : A
Question : Which one is the most likely structure of CrCl3. 6H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3
(a) CrCl3. 6H2O
(b) [ Cr (H2O)3 Cl3]. (H2O)3
(c) [ CrCl2 (H2O)4 ] Cl . 2H2O
(d) [ CrCl (H2O)5 ] Cl2 . H2O
Answer : C
Question : K4[Fe(CN)6 ] is a :
(a) double salt
(b) complex compound
(c) acid
(d) base
Answer : B
Question : The number of ions formed on dissolving one molecule of FeSO4(NH4)2SO4.6H2O in water is:
(a) 4
(b) 5
(c) 3
(d) 6
Answer : B
Question : The solution of K4[Fe(CN)6] in water will
(a) give a test K+
(b) give a test Fe2+
(c) give a test of CN–
(d) give a test of [Fe(CN)6]4–
Answer : A
Question : In the coordination compound, K4[Ni(CN)4], the oxidation state of nickel is
(a) 0
(b) +1
(c) +2
(d) –1
Answer : A
Question : The coordination number of a central metal atom in a complex is determined by
(a) the number of ligands around a metal ion bonded by sigma and pi-bonds both
(b) the number of ligands around a metal ion bonded by pi-bonds
(c) the number of ligands around a metal ion bonded by sigma bonds
(d) the number of only anionic ligands bonded to the metal ion.
Answer : C
Question : The oxidation state of Cr in [Cr(NH3 )4Cl2 ]+ is
(a) 0
(b) + 1
(c) + 2
(d) + 3
Answer : D
Question : In Ni(CO)4 – , oxidation number of Ni is :
(a) 4
(b) – 4
(c) 0
(d) + 2
Answer : C
Question : [EDTA]4- is a :
(a) monodentate ligand
(b) bidentate ligand
(c) quadridentate ligand
(d) hexadentate ligand
Answer : D
Question : The compound having the lowest oxidation state of iron is:
(a) K4Fe(CN)6
(b) K2FeO4
(c) Fe2O3
(d) Fe(CO)5
Answer : D
Question : The coordination number and the oxidation state of the element ‘E’ in the complex [E (en)2 (C2O4)]NO2 (where (en) is ethylene diamine) are, respectively,
(a) 6 and 2
(b) 4 and 2
(c) 4 and 3
(d) 6 and 3
Answer : D
Question : Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are
(a) complex
(b) double salts
(c) normal salts
(d) None of these
Answer : A
Question : Coordination number of Ni in [Ni(C2O4)3]4– is
(a) 3
(b) 6
(c) 4
(d) 5
Answer : B
Question : According to Lewis, the ligands are
(a) acidic in nature
(b) basic in nature
(c) some are acidic and others are basic
(d) neither acidic nor basic
Answer : B
Question : Ligand in a complex salt are
(a) anions linked by coordinate bonds to a central metal atom or ion
(b) cations linked by coordinate bonds to a central metal or ion
(c) molecules linked by coordinate bonds to a central metal or ion
(d) ions or molecules linked by coordinate bonds to a central atom or ion
Answer : C
Question : The ligand N(CH2CH2NH2)3 is
(a) tridentate
(b) pentadentate
(c) tetradentate
(d) bidentate
Answer : C
Question : An example of ambidentate ligand is
(a) Ammine
(b) Aquo
(c) Chloro
(d) Thiocyanato
Answer : D
Question : Which of the following does not form a chelate ?
(a) EDTA
(b) Oxalate
(c) Pyridine
(d) Ethylenediamine
Answer : C
Question : A bidenate ligand always
(a) has bonds formed to two metals ions
(b) has a charge of +2 or – 2
(c) forms complex ions with a charge of +2 or –2
(d) has two donor atoms forming simultaneously two sigma (Σ) bonds.
Answer : B
Question : An ambident ligand is one which
(a) is linked to the metal atom through two donor atoms
(b) has two donor atoms, but only one of them has the capacity to form a coordinate bond [or a sigma (Σ) bond]
(c) has two donor atoms, but either of two can form a coordinate bond
(d) forms chelate rings.
Answer : C
Question : NH2-NH2 serves as
(a) Monodentate ligand
(b) Chelating ligand
(c) Bridging ligand
(d) Both (a) and (c)
Answer : C
Question : Which one of the following is NOT a ligand ?
(a) PH3
(b) NO+
(c) Na+
(d) F–
Answer : C
Question : The IUPAC name of K3[Ir(C2O4)3] is
(a) potassium trioxalatoiridium (III)
(b) potassium trioxalatoiridate (III)
(c) potassium tris (oxalato) iridium (III)
(d) potassium tris (oxalato) iridate (III)
Answer : B
Question : Which one does not belong to ligand?
(a) PH3
(b) NO+
(c) BF3
(d) Cl–
Answer : C
Question : Which ligand is expected to be bidentate?
(a) 2 C2O24-
(b) CH3C = N
(c) Br –
(d) CH3NH2
Answer : A
Question : Which one of the following ligands forms a chelate
(a) Acetate
(b) Oxalate
(c) Ammonia
(d) Cyanide
Answer : B
Question : Choose the correct statement.
(a) Coordination number has nothing to do with the number of groups or molecules attached to the central atom
(b) Coordination number is the number of coordinating sites of all the ligands connected to the central atom or the number of coordinate bonds formed by the metal atom with ligands
(c) Werner’s coordination theory postulates only one type of valency
(d) All the above are correct
Answer : B
Question : O2 is a
(a) Monodentate ligand
(b) Bidenate ligand
(c) Tridentate ligand
(d) Hexadenate ligand
Answer : B
Question : The stabilisation of cooordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species ?
(a) [Fe(CO)5 ]
(b) 3[Fe(CN)6 ] -
(c) 3[Fe(C2O4 )3 ] -
(d) 3[Fe(H2O)6 ] -
Answer : C
Question : 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 : A
Question : Which of the following species is not expected to be a ligand?
(a) NO
(b) NH4
(c) NH2CH2CH2NH2
(d) Both (a) and (b)
Answer : B
Question : Which of the following complexes are homoleptic ?
(i) 3[Co(NH3 )6 ]3+ (ii) [Co(NH3 )4Cl]+
(iii) 2[Ni(CN)4 ]2- (iv) [Ni(NH3 )4Cl2 ]
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iii)
Answer : C
Question : Which of the following complexes are heteroleptic ?
(i) 3[Cr(NH3 )6 ]3+ (ii) [Fe(NH3)4Cl2 ]+
(iii) 4[Mn(CN)6 ]2- (iv) [Co(NH3)4Cl2 ]
(a) (i), (iv)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (i) and (iv)
Answer : B
Question : Central atoms/ions in coordination compounds are.
(a) Lewis acid
(b) Lewis bases
(c) Neutral molecules
(d) All of these
Answer : A
Question : What is the denticity of the ligand ethylenediaminetetra actetate ion?
(a) 4
(b) 2
(c) 6
(d) 1
Answer : C
Question : K3[Al(C2O4 )3] is called
(a) Potassium aluminooxalate
(b) Potassium trioxalatoaluminate (III)
(c) Potassium aluminium (III) oxalate
(d) Potassium trioxalatoaluminate (VI)
Answer : C
Question : The hypothetical complex chlorodiaquatriamminecobalt (III) chloride can be represented as
(a) [CoCl(NH3)3(H2O)2]Cl2
(b) [Co(NH3)3(H2O)Cl3]
(c) [Co(NH2)3(H2O)2 Cl]
(d) [Co(NH3)3(H2O)3]Cl3
Answer : A
Question : The IUPAC name of the coordination compound K3[Fe(CN)6 ] is
(a) Tripotassium hexacyanoiron (II)
(b) Potassium hexacyanoiron (II)
(c) Potassium hexacyanoferrate (III)
(d) Potassium hexacyanoferrate (II)
Answer : C
Question : The IUPAC name for the complex [Co(ONO)(NH3)5]Cl2 is
(a) pentaamminenitrito-N-cobalt(II) chloride
(b) pentaamminenitrito-N-cobalt(III) chloride
(c) nitrito-N-pentaamminecobalt(III) chloride
(d) nitrito-N-pentaamminecobalt(II) chloride
Answer : B
Question : The IUPAC name of K2[PtCl6] is
(a) hexachloroplatinate potassium
(b) potassium hexachloroplatinate (IV)
(c) potassium hexachloroplatinate
(d) potassium hexachloroplatinum (IV)
Answer : B
Question : The IUPAC name of [Ni(NH3)4] [NiCl4] is
(a) Tetrachloronickel (II) - tetraamminenickel (II)
(b) Tetraamminenickel (II) - tetrachloronickel (II)
(c) Tetraamminenickel (II) - tetrachloronickelate (II)
(d) Tetrachloronickel (II) - tetrachloronickelate (0)
Answer : C
Question : As per IUPAC nomenclature, the name of the complex [Co(H2O)4(NH3)2]Cl3 is :
(a) Tetraaquadiaminecobalt (III) chloride
(b) Tetraaquadiamminecobalt (III) chloride
(c) Diaminetetraaquacoblat (II) chloride
(d) Diamminetetraaquacobalt (III) chloride
Answer : D
Question : The IUPAC name of the complex [Co(NH3)4(H2O)Cl]Cl2 is
(a) aquatetramminechloridocobalt (III) chloride
(b) chloridoaquatetramminechloridocobalt (III) chloride
(c) chloridoaquatetramminechloridocobalt (III) chloride
(d) tetrammineaquachloridocobalt (III) chloride
Answer : D
Question : As per IUPAC nomenclature, the name of the complex [Co(H2O)4(NH3)2]Cl3 is :
(a) Tetraaquadiaminecobalt (III) chloride
(b) Tetraaquadiamminecobalt (III) chloride
(c) Diaminetetraaquacobalt (II) chloride
(d) Diamminetetraaquacobalt (III) chloride
Answer : D
Question : Chemical formula for iron (III) hexacyanoferrate (II) is
(a) Fe[Fe(CN)6]
(b) Fe3[Fe(CN)6]
(c) Fe3[Fe(CN)6]4
(d) Fe4[Fe(CN)6]3
Answer : A
Question : The ligands in anti-cancer drug cis-platin are
(a) NH3, CI
(b) NH3, H2O
(c) Cl, H2O
(d) NO, Cl
Answer : A
Question : Which statement is true for ferrocene?
(a) All Fe-C are of equal length
(b) It has sandwich type structure
(c) It was the first discovered organometallic compound
(d) All of these.
Answer : D
Question : During estimation of nickel, we prepare nickel dimethylglyoxime, a scarlet red solid. This compound is ______.
(a) ionic
(b) covalent
(c) metallic
(d) non-ionic complex.
Answer : D
Question : Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands?
(a) Ni2+
(b) Fe2+
(c) Cu2+
(d) Co2+
Answer : C
Question :
(a) linkage isomerism
(b) geometrical isomerism
(c) optical isomerism
(d) none of the above
Answer : B
Question : Among the following the compound that is both paramagnetic and coloured is
Answer : A
Question : Which of the following complex has zero magnetic moment (spin only)?
Answer : C
Question : Silver chloride dissolves in
(a) Water
(b) Conc. HCl
(c) NH4OH
(d) CCl4
Answer : C
Question : The IUPAC name of the complex Hg [Co(CNS )4] is
(a) mercury tetrathiocyanatocobaltate (II)
(b) mercury cobalttetrasulphocyano (II)
(c) mercury tetrasulphocyanidecobalt (II)
(d) tetrasulphocyantocobalt mercurate (II)
Answer : A
Question : In the isoelectronic series of metal carbonyl, the CO bond strength is expected to increase in the order:
Answer : B
CBSE Class 12 Chemistry The Solid State MCQs |
CBSE Class 12 Chemistry Solutions MCQs Set A |
CBSE Class 12 Chemistry Solutions MCQs Set B |
CBSE Class 12 Chemistry Electrochemistry MCQs |
CBSE Class 12 Chemistry Chemical Kinetics MCQs Set A |
CBSE Class 12 Chemistry Chemical Kinetics MCQs Set B |
CBSE Class 12 Chemistry Surface Chemistry MCQs |
CBSE Class 12 Chemistry General Principles and Processes of Isolation of Elements MCQs |
CBSE Class 12 Chemistry The p Block Elements MCQs |
CBSE Class 12 Chemistry The d and f Block Elements MCQs |
CBSE Class 12 Chemistry Coordination Compounds MCQs |
CBSE Class 12 Chemistry Haloalkanes and Haloarenes MCQs |
CBSE Class 12 Chemistry Alcohols Phenols and Ethers MCQs |
CBSE Class 12 Chemistry Aldehydes Ketones and Carboxylic Acids MCQs |
CBSE Class 12 Chemistry Amines MCQs |
CBSE Class 12 Chemistry Biomolecules MCQs |
CBSE Class 12 Chemistry Polymers MCQs |
CBSE Class 12 Chemistry Chemistry in Everyday Life MCQs |
MCQs for Chapter 9 Coordination Compounds Chemistry Class 12
Expert teachers of studiestoday have referred to NCERT book for Class 12 Chemistry to develop the Chemistry Class 12 MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Class 12 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Chemistry will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest books also refer to the NCERT solutions for Class 12 Chemistry. We have also provided lot of MCQ questions for Class 12 Chemistry so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 12 Chemistry MCQ Test for the same chapter.
You can download the CBSE MCQs for Class 12 Chemistry Chapter 9 Coordination Compounds for latest session from StudiesToday.com
Yes, the MCQs issued by CBSE for Class 12 Chemistry Chapter 9 Coordination Compounds have been made available here for latest academic session
You can find CBSE Class 12 Chemistry Chapter 9 Coordination Compounds MCQs on educational websites like studiestoday.com, online tutoring platforms, and in sample question papers provided on this website.
To prepare for Chapter 9 Coordination Compounds MCQs, refer to the concepts links provided by our teachers and download sample papers for free.
Yes, there are many online resources that we have provided on studiestoday.com available such as practice worksheets, question papers, and online tests for learning MCQs for Class 12 Chemistry Chapter 9 Coordination Compounds