Refer to JEE Chemistry Coordination Compounds MCQs Set A provided below. JEE (Main) Full Syllabus Chemistry MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Chemistry with answers have been prepared as per the latest syllabus, JEE (Main) books and examination pattern suggested in Full Syllabus by JEE (Main), NCERT and KVS. Multiple Choice Questions for Coordination Compounds are an important part of exams for Full Syllabus Chemistry and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Chemistry and also download more latest study material for all subjects
MCQ for Full Syllabus Chemistry Coordination Compounds
Full Syllabus Chemistry students should refer to the following multiple-choice questions with answers for Coordination Compounds in Full Syllabus. These MCQ questions with answers for Full Syllabus Chemistry will come in exams and help you to score good marks
Coordination Compounds MCQ Questions Full Syllabus Chemistry with Answers
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: primary valency is ionizable
Question: Which of the following postulates of Werner’s theory is incorrect?
- a) Secondary valence is equal to the coordination number and it depends upon the nature of ligand attached to metal.
- b) The ions/ groups bound by the secondary linkages to the metal have charecteristic spatial arrangements
- c) Primary valencies are satisfied by negative ions
- d) None of these
Answer: Secondary valence is equal to the coordination number and it depends upon the nature of ligand attached to metal.
Question: CrCl3 has primary valence of
- a) 3
- b) 2
- c) 4
- d) 1
Answer: 3
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)
- b)
- c) Both
- d) None of these
Answer:
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: Two chlorine atoms satisfy primary valency and one secondary valency
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)
- b)
- c)
- d) None of these
Answer:
Question: K4[Fe(CN)6 ] is a
- a) complex compound
- b) base
- c) double salt
- d) acid
Answer: complex compound
Question:
- a) 5
- b) 6
- c) 4
- d) 3
Answer: 5
Question: The solution of K4[Fe(CN)6] in water will
- a) give a test K+
- b) give a test of CN–
- c) give a test Fe2+
- d) None of these
Answer: give a test K+
Question: In the coordination compound, K4[Ni(CN)4], the oxidation state of nickel is
- a) 0
- b) +2
- c) +1
- d) –1
Answer: 0
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 bonds
- b) the number of only anionic ligands bonded to the metal ion.
- c) the number of ligands around a metal ion bonded by pi-bonds
- d) the number of ligands around a metal ion bonded by sigma and pi-bonds both
Answer: the number of ligands around a metal ion bonded by sigma bonds
Question:
- a) + 3
- b) + 1
- c) 0
- d) + 2
Answer: + 3
Question:
- a) 0
- b) 4
- c) – 4
- d) + 2
Answer: 0
Question:
- a) hexadentate ligand
- b) bidentate ligand
- c) monodentate ligand
- d) quadridentate ligand
Answer: hexadentate ligand
Question: The compound having the lowest oxidation state of iron is
- a) Fe(CO)5
- b) K2FeO4
- c) Fe2O3
- d) None of these
Answer: Fe(CO)5
Question:
- a) 6 and 3
- b) 4 and 2
- c) 6 and 2
- d) 4 and 3
Answer: 6 and 3
Question: Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are
- a) complex
- b) normal salts
- c) double salts
- d) None of these
Answer: complex
Question:
- a) 6
- b) 5
- c) 3
- d) 4
Answer: 6
Question: According to Lewis, the ligands are
- a) basic in nature
- b) acidic in nature
- c) some are acidic and others are basic
- d) neither acidic nor basic
Answer: basic in nature
Question: Ligand in a complex salt are
- a) molecules linked by coordinate bonds to a central metal or ion
- b) ions or molecules linked by coordinate bonds to a central atom or ion
- c) cations linked by coordinate bonds to a central metal or ion
- d) anions linked by coordinate bonds to a central metal atom or ion
Answer: molecules linked by coordinate bonds to a central metal or ion
More Questions..........................................
Question:
- a) tetradentate
- b) tridentate
- c) pentadentate
- d) bidentate
Answer: tetradentate
Question: An example of ambidentate ligand is
- a) Thiocyanato
- b) Aquo
- c) Ammine
- d) Chloro
Answer: Thiocyanato
Question: Which of the following does not form a chelate
- a) Pyridine
- b) EDTA
- c) Ethylenediamine
- d) Oxalate
Answer: Pyridine
Question: A bidenate ligand always
- a)
- b) forms complex ions with a charge of +2 or –2
- c) has a charge of +2 or – 2
- d) has bonds formed to two metals ions
Answer:
Question: An ambident ligand is one which
- a) has two donor atoms, but either of two can form a coordinate bond
- b) forms chelate rings
- c) is linked to the metal atom through two donor atoms
- d) None of these
Answer: has two donor atoms, but either of two can form a coordinate bond
Question: NH2-NH2 serves as
- a) Bridging ligand
- b) Monodentate ligand
- c) Chelating ligand
- d) None of these
Answer: Bridging ligand
Question: Which one of the following is NOT a ligand
- a) Na+
- b) PH3
- c) NO+
- d) F–
Answer: Na+
Question: Glycinato ligand is
- a) All of the above
- b) two donor sites N and O–
- c) bidentate ligant
- d)
Answer: All of the above
Question: Which one does not belong to ligand
- a) BF3
- b) PH3
- c) NO+
- d) Cl–
Answer: BF3
Question: Which ligand is expected to be bidentate
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which one of the following ligands forms a chelate
- a) Oxalate
- b) Cyanide
- c) Acetate
- d) Ammonia
Answer: Oxalate
Question: Choose the correct statement
- a) 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
- b) Werner’s coordination theory postulates only one type of valency
- c) Coordination number has nothing to do with the number of groups or molecules attached to the central atom
- d) All the above are correct
Answer: 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
Question: O2 is a
- a) Bidenate ligand
- b) Hexadenate ligand
- c) Monodentate ligand
- d) Tridentate ligand
Answer: Bidenate ligand
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)
- b)
- c)
- d)
Answer:
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) glycinato
- c) oxalato
- d) ethane - 1, 2-diamine
Answer: thiosulphato
Question: Which of the following species is not expected to be a ligand?
- a)
- b)
- c) NO
- d) None of these
Answer:
Question:
- a) (iii) and (iv)
- b) (i) and (ii)
- c) (ii) and (iii)
- d) (i) and (iii)
Answer: (iii) and (iv)
Question:
- a) (ii) and (iv)
- b) (i) and (iv)
- c) (i), (iv)
- d) (i) and (ii)
Answer: (ii) and (iv)
Question: Central atoms/ions in coordination compounds are
- a) Lewis acid
- b) Neutral molecules
- c) All of these
- d) Lewis bases
Answer: Lewis acid
Question: What is the denticity of the ligand ethylenediaminetetra actetate ion?
- a) 6
- b) 4
- c) 2
- d) 1
Answer: 6
Question:
- a) Potassium trioxalatoaluminate (III)
- b) Potassium aluminium (III) oxalate
- c) Potassium trioxalatoaluminate (VI)
- d) Potassium aluminooxalate
Answer: Potassium trioxalatoaluminate (III)
Question: The hypothetical complex chlorodiaquatriamminecobalt (III) chloride can be represented as
- a)
- b)
- c)
- d) None of these
Answer:
Question: The IUPAC name of the coordination compound K3[Fe(CN)6 ] is
- a) Potassium hexacyanoferrate (III)
- b) Potassium hexacyanoferrate (II)
- c) Potassium hexacyanoiron (II)
- d) Tripotassium hexacyanoiron (II)
Answer: Potassium hexacyanoferrate (III)
Question: The IUPAC name for the complex [Co(ONO)(NH3)5]Cl2 is
- a) pentaamminenitrito-N-cobalt(III) chloride
- b) pentaamminenitrito-N-cobalt(II) chloride
- c) nitrito-N-pentaamminecobalt(III) chloride
- d) nitrito-N-pentaamminecobalt(II) chloride
Answer: pentaamminenitrito-N-cobalt(III) chloride
Question: The IUPAC name of K2[PtCl6] is
- a) potassium hexachloroplatinate (IV)
- b) hexachloroplatinate potassium
- c) potassium hexachloroplatinate
- d) potassium hexachloroplatinum (IV)
Answer: potassium hexachloroplatinate (IV)
Question:
- a) Tetraamminenickel (II) - tetrachloronickelate (II)
- b) Tetrachloronickel (II) - tetrachloronickelate (0)
- c) Tetraamminenickel (II) - tetrachloronickel (II)
- d) Tetrachloronickel (II) - tetraamminenickel (II)
Answer: Tetraamminenickel (II) - tetrachloronickelate (II)
Question:
- a) Diamminetetraaquacobalt (III) chloride
- b) Diaminetetraaquacoblat (II) chloride
- c) Tetraaquadiamminecobalt (III) chloride
- d) Tetraaquadiaminecobalt (III) chloride
Answer: Diamminetetraaquacobalt (III) chloride
Question:
- a) Diamminetetraaquacobalt (III) chloride
- b) Diaminetetraaquacobalt (II) chloride
- c) Tetraaquadiamminecobalt (III) chloride
- d) Tetraaquadiaminecobalt (III) chloride
Answer: Diamminetetraaquacobalt (III) chloride
Question: Chemical formula for iron (III) hexacyanoferrate (II) is
- a)
- b)
- c)
- d)
Answer:
Question:
- a) potassium trioxalatoiridate (III)
- b) potassium tris (oxalato) iridium (III)
- c) potassium tris (oxalato) iridate (III)
- d) potassium trioxalatoiridium (III)
Answer: potassium trioxalatoiridate (III)
Question: IUPAC name of Na3[Co(ONO)6] is
- a) Sodium hexanitrito cobaltate (III)
- b) Sodium hexanitrocobalt (III)
- c) Sodium hexanitritocobaltate (II)
- d) Sodium cobaltinitrite
Answer: Sodium hexanitrito cobaltate (III)
Question:
- a) Tetraamineaqua chlorido cobalt (III) chloride
- b) Tetraamineaqua chloride cobalt (II) chloride
- c) Tetraamineaqua chlorido cobalt (II) chloride
- d) Tetraamineaqua chloride cobalt (III) chloride
Answer: Tetraamineaqua chlorido cobalt (III) chloride
Question:
- a) 2
- b) 3
- c) 1
- d) 4
Answer: 2
Question: Which of the following will give maximum number of isomers?
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which one of the following octahedral complexes will not show geometric isomerism? (A and B are monodentate ligands)
- a)
- b)
- c)
- d)
Answer:
Question: Which of the following coordination compounds would exhibit optical isomerism?
- a) tris-(ethylendiamine) cobalt (III) bromide
- b) trans-dicyanobis (ethylenediamine) chromium (III) chloride
- c) diamminedichloroplatinum(II)
- d) pentamminenitrocobalt(III) iodide
Answer: tris-(ethylendiamine) cobalt (III) bromide
Question: The type of isomerism present in Pentaminenitrochromium (III) chloride is
- a) linkage
- b) polymerisation.
- c) optical
- d) ionisation
Answer: linkage
Question: Which of the following compounds shows optical isomerism?
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which of the following ions can exhibit optical isomerism
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which one of the following is the correct order of field strength of ligands in spectrochemical series?
- a)
- b)
- c)
- d)
Answer:
Question: Which would exhibit co-ordination isomerism
- a)
- b)
- c)
- d) None of these
Answer:
Question:
- a) linkage isomers
- b) geometrical isomers
- c) optical isomers
- d) coordination isomers
Answer: linkage isomers
Question: Coordination isomerism is caused by the interchange of ligands between the
- a) complex cation and complex anion
- b) inner sphere and outer sphere
- c) low oxidation and higher oxidation states
- d) cis and trans structure
Answer: complex cation and complex anion
Question: Change in composition of co-ordination sphere yields which type of isomers
- a) ionisation
- b) optical
- c) geometrical
- d) None of these
Answer: ionisation
Question: Which of the following does not show optical isomerism?
- a)
- b)
- c)
- d) None of these
Answer:
Question:
- a) Coordination isomerism
- b) Ionization isomerism
- c) Linkage isomerism
- d) Geometrical isomerism
Answer: Coordination isomerism
Question: The complex, [Pt(py)(NH3)BrCl] will have how many geometrical isomers ?
- a) 3
- b) 0
- c) 4
- d) 2
Answer: 3
Question: Which of the following has a square planar geometry
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which of the following pairs represent linkage isomers
- a)
- b)
- c)
- d) None of these
Answer:
Question: Which one of the following has an optical isomer
- a) [Co(en)3]3+
- b) [Zn(en)2]2+
- c) [Zn(en) (NH3)2]2+
- d) None of these
Answer: [Co(en)3]3+
Question: Which one of the following complex ions has geometrical isomers
- a)
- b)
- c)
- d) None of these
Answer:
Question:
- a)
- b)
- c)
- d) None of these
Answer:
Question:
- a) geometrical, optical
- b) ionization, optical
- c) hydrate, optical
- d) coordinate, geometrical
Answer: geometrical, optical
Question:
- a) Linkage isomerism
- b) Ionisation isomerism
- c) Coordination isomerism
- d) Solvate isomerism
Answer: Linkage isomerism
Question: Which of the following complex will show geometrical as well as optical isomerism (en=ethylenediammine
- a)
- b)
- c)
- d) None of these
Answer:
Question: The number of geometrical isomers from [Co(NH3)3(NO2)3] is
- a) 2
- b) 3
- c) 4
- d) 0
Answer: 2
Question: The number of isomers exhibited by [Cr(NH3)3Cl3] is
- a) 5
- b) 3
- c) 2
- d) 4
Answer: 5
Question: For the square planar complex [M (a) (b) (c) (d)] (where M = central metal and a, b, c and d are monodentate ligands), the number of possible geometrical isomers are
- a) 4
- b) 2
- c) 1
- d) 3
Answer: 4
Question: Which of the following will exhibit optical isomerism
- a)
- b)
- c) Both
- d) None of these
Answer:
Question: Which of the following will give maximum number of isomers?
- a)
- b)
- c)
- d)
Answer:
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