CBSE Class 12 Chemistry Coordination Compounds MCQs Set D

Refer to CBSE Class 12 Chemistry Coordination Compounds MCQs Set D 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. Unit 5 Coordination Compounds Class 12 MCQ 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 Unit 5 Coordination Compounds

Class 12 Chemistry students should refer to the following multiple-choice questions with answers for Unit 5 Coordination Compounds in Class 12.

Unit 5 Coordination Compounds MCQ Questions Class 12 Chemistry with Answers

Question: Which among the following will be named as dibromidobis ( ethylenediamine) chromium (III) bromide ?
(a) [Cr(en)3 ] Br3
(b) [Cr(en)2Br2 ]Br 
(c) [Cr(en)Br4 ]
(d) [Cr(en)Br2 ]Br
Answer: b

Question: Which of the following can participate in linkage isomerism? 
(a) NH3
(b) H2O
(c) H2NCH2CH2NH2
(d) NO2
Answer: d

Question: Type of isomerism shown by [Cr(NH3 )5 NO2 ]Cl2 is
(a) optical
(b) ionisation 
(c) geometrical
(d) linkage
Answer: d

Question: IUPAC name of Na3 [Co(NO2 )6 ] is 
(a) sodium hexanitrito cobaltate (II)
(b) sodium hexanitro cobaltate (III)
(c) sodium hexanitrito cobaltate (III)
(d) sodium cobaltinitrite (II)
Answer: b

Question: [Co(NH3 )5 SO4 ]Br and [Co(NH3 )5 Br]SO4 are a pair of ………. isomers.
(a) ionisation
(b) ligand
(c) coordination
(d) hydrate
Answer: a

Question: Which of the following 0.1 M complex compound solutions will have the minimum electrical conductivity?
(a) Hexammineplatinum (IV) chloride 
(b) Chloropentaammineplatinum (IV) chloride
(c) Dichlorotetrammineplatinum (IV) chloride
(d) Trichlorotriarnmineplatinum (IV) chloride
Answer: d

Question: Which one of the following has an optical isomer ?
(en= ethylenediamine) 

(a) [Zn(en)(NH3 )2 ]2+
(b) [Co(en)3 ]3+
(c) [Co(H2O)4 ( en)]3+
(d) [Zn(en)2 ]2+
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) – tetraammine nickelate (0)
Answer: c

Question: Both Co3+ and Pt4+ have a coordination number of six. Which of the following pairs of complexes will show approximately the same electrical conductance for their 0.001 M aqueous solutions? 
(a) CoCI3 · 4NH3 and PtCI4 · 4NH3
(b) CoCI3 · 3NH3 and PtCI4 · 5NH3
(c) CoCI3 · 6NH3 and PtCI4 · 5NH3
(d) CoCI3 · 6NH3 and PtCI4 · 3NH3
Answer: c

Question: The IUP AC name for the complex
[Co(NO2)(NH3 )5 ]Cl2 is 
(a) nitrito-N-pentamn1inecobalt (III) chloride
(b) nitrito-N-pentamminecobalt (II) chloride
(c) pentaamminenitrito-N-cobalt (II) chloride
(d) pentaamminenitrito-N-cobalt (III) chloride
Answer: d

Question: One mole of the complex compound Co(NH3 )5 Cl3 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. The structure of the complex is
(a)[Co(NH3)4 Cl]Cl2 • NH3 
(b) [Co(NH3)4 Cl2 ]Cl· NH3
(c) [Co(NH3)3Cl3 ] 2NH3
(d) [Co(NH3)5 Cl]Cl2
Answer: d

Question: The spin only magnetic moment value (in BM unit) of Cr(CO)6 is 
(a) zero
(b) 2.84
(c) 4.90
(d) 5.92
Answer: a

Question: The lUPAC name of the complex [Co(NH3 )4 Cl2 ]Cl is
(a) dichlorotetraamminecobalt (III) chloride
(b) tetraamminedichlorocobalt (III) chloride
(c) tetraamminedichlorocobalt (II) chloride
(d) tetraamminedichlorocobalt (IV) chloride
Answer: b

Question: In which year, IUPAC draft recommends that anionic ligands will end with iodo so that chloro would become chiorido? 
(a) 1994
(b) 1984
(c) 2000
(d) 2004
Answer: d

Question: A complex compound of Co3+ with molecular formula CoClx · yNH3 gives a total of 3 ions when dissolved in water. How many Cl ions satisfy both primary and secondary valencies in this complex?
(a) 3
(b) 1
(c) 4
(d) zero
Answer: b

Question: The IUPAC name of [Ni(PPh3 )2 Cl2 ]2+ is 
(a) bisdichloro(triphenylphosphine )nickel (II)
(b) dichlorobis(triphenylphosphine )nickel (II)
(c) dichlorotriphenylphosphinenickel(II)
(d) triphenylphosphinenickel (II) dichloride
Answer: b

 Question: The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is (are) 
(a) [Cr(NH3)5 Cl] Cl2 and [Cr(NH3 )4 Cl2 ]Cl
(b) [Co(NH3 )4 Cl2 ]+ and [Pt(NH3 )2 (H2O)Cl]+
(c) [CoBr2Cl2 ]2- and [PtBr2 Cl2 ]2-
(d) [Pt(NH3 )3 (NO3 )] Cl and [Pt(NH3 )3 Cl] Br
Answer: d

Question: The existence of two different coloured complexes of [Co(NH3)4Cl2 ]+ is due to 
(a) ionisation isomerism
(b) coordination isomerism
(c) linkage isomerism
(d) geometrical isomerism
Answer: d

Question: Pick out the complex compound in which the central metal atom obeys EAN mle strictly. 
(a) K4[Fe(CN)6]
(b) K3[Fe(CN)6 ]
(c)[Cr(H2O)6 ]Cl3
(d)[Cu(NH3)4] SO4
Answer: a

Question: The IUP AC name of the complex ion formed when gold dissolves in aqua-regia is 
(a) tetrachloridoaurate (III)
(b) tetrachloridoaurate (I)
(c) tetrachloridoaurate (II)
(d) dichloridoaurate (III)
Answer: a

Question: Th IUPAC name of the compound [CuCl2 (CH3NH2)2] is
(a) dichloro bis (dimethylamine) copper (II) 
(b) dichloro bis (methylamine) copper (II)
(c) dimethylaminecopper (II) chloride
(d) bis(dimethylamine) copper (II) chloride
Answer: b

Question: The colour in the coordination compounds can be readily explained in terms of
(a) spectrochemistry
(b) chelate effect
(c) crystal field theory
(d) None of these
Answer: c

Question: Which of the following is correct statement?
(a) [Co(NH3 )6 ]2+ is paramagnetic
(b) [MnBr4 ]2- is tetrahedral
(c) [CoBr2 (en)2] exhibits linkage isomerism
(d) [Ni(NH3 )6 ]2+ is an inner orbital complex
Answer: a,b

Question: The IUPAC name of compound K3 [Fe(CN)5 NO] is
(a) pentacyano nitrosyl potassium ferrate (II) 
(b) potassium cyano pentanitrosyl ferrate (II)
(c) potassium pentacyanonitrosyl ferrate (III)
(d) potassium pentacyanonitrosyl ferrate (II)
Answer: d

Question: According to IUP AC system, what is the correct name of the compound [Cr(NH3)3 (H2O)3 Cl3 ] 
(a) Ttriamminetriaquachromium (III) chloride
(b) Triamminetriaquachromiumchloride (III)
(c) Tetraammoniumtriaquachromium (III) chloride
(d) None of the above
Answer: a

Question: Total number of geometrical isomers for the complex [RhCl(CO)(PPh3)(NH2)] is 
(a) 1
(b) 2
(c) 3
(d) 4
Answer: c

Question: Benzoylacetonato beryllium exhibit isomerism of the type 
(a) structural
(b) geometrical
(c) optical
(d) conformational
Answer: c

Question: The number of water molecule(s) directly bonded to the metal centre in CuSO4 · 5H2O is
(a) 1
(b) 2
(c) 3
(d) 4
Answer: d

Question: For the square planar complex [Mabcd]
(where, M = central metal and a, b, c and d are monodentate ligands), the number of possible geometrical isomers are
(a) 1
(b) 2
(c) 3
(d) 4
Answer: c

Question: Which kind of isomerism is exhibited by octahedral Co(NH3 )4 Br2Cl?
(a) Geometrical and ionisation
(b) Geometrical and optical
(c) Optical and ionisation
(d) Geometrical only
Answer: a

Question: The IUPAC name of the given compound [Co(NH3 )5 Cl]Cl2 is 
(a) pentaarninocobaltchloridechlorate
(b) cobaltpentaamminechlorochloride
(c) pentarnmine chloro cobalt (III) chloride
(d) pen ta amino cobalt (III) chlorate
Answer: c

Question: According to IUP AC nomenclature sodium nitroprusside is named as 
(a) sodiumpentacyanonitrosylferrate (II)
(b) sodiumpentacyanonitrosylferrate (III)
(c) sodiumnitroferricyanide
(d) sodiumnitroferrocyanide
Answer: b

Question: Which one amongst the following, exhibit geometrical isomerism ? 
(a) [CoIII (NH3 )5 Br]SO4
(b) CoIII [EDTA]1-
(c) [CrCoIII (SCN)6 ]3-
(d) [PtII (NH3 )2 Cl2]
Answer: d

Question: [Fe(NO2)Cl3 ] and [Fe(O—NO)3 Cl3 ] shows 
(a) linkage isomerism
(b) geometrical isomerism
(c) optical isomerism
(d) None of the above
Answer: a

Question: Among [Fe(H2O)6]3+, [Fe(CN)6]3- , species, the hybridisation state of the Fe atom are, respectively
(a) d2 sp3,d2 sp3 , sp3d2
(b) sp3d,d2 sp3 ,d2 sp3
(c) sp3d2 ,d2 sp3 ,sp3d2
(d) None of the above
Answer: c

Question: The anti-cancer drug cis-platin has the formula Pt(NH3)2Cl2 . There is another isomer, trans-platin, that is not medically active. What is the shape of cis-platin ?
(a) Tetrahedral
(b) Octahedral
(c) Square planar
(d) Trigonal bipyramidal
Answer: c

Question: For the given complex [CoCl2 ( en)(NH3 )2]+ , the number of geomettical isomers, the number of optical isomers and total number of isomers of all type possible respectively are
(a) 2, 2 and 4
(b) 2, 1 and 3 
(c) 2, 0 and 2
(d) 0, 2 and 2
Answer: b

Question: Which of the following compounds shows optical isomerism?
(a) [Co(CN)6 J3-
(b) [Cr(C2O4)3 ]3-
(c) [ZnCl4 ]2-
(d) [Cu(NH3 )4 ]2+
Answer: b

Question: The IUPAC name of[Co(NH3 )5ONO]2+ ion is
(a) pentaamminenitritocobalt (IV) ion 
(b) pentaamminenitrocobalt (II) ion
(c) pentaamminenitritocobalt (III) ion
(d) pentaamminenitrocobalt (V) ion
Answer: c

Question: Which one of the following octahedral complexes will not show geometrical isomerism? (A and Bare monodentate ligands) 
(a) [MA4B2 ]
(b) [MA5B]
(c) [MA2B4 ]
(d) [MA3B3 ]
Answer: b

MCQs for Unit 5 Coordination Compounds Chemistry Class 12

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