MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds Part-1 with Answers

Coordination Compounds Part-1 Class 12 Chemistry MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds Part-1 with Answers Pdf free download. MCQ Questions for Class 12 Chemistry with Answers were prepared based on the latest exam pattern. We have Provided Coordination Compounds Part-1 Class 12 Chemistry MCQs Questions with Answers to help students understand the concept very well.

Class 12 Chemistry Chapter 9 Quiz

Class 12 Chemistry Chapter 9 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Chemistry Chapter 9 Coordination Compounds Part-1 to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Coordination Compounds Part-1 Class 12 Chemistry MCQ online test

Q1.	K₂[Fe(CN)₆] is a/an
	A.double salt
	B.complex salt
	C.acid
	D.base

Ans: complex salt

Q2.	Which of the following compounds has tetrahedral geometry?
	A.[Ni(CN)₄]^2-
	B.[Pd(CN)₄]^2-
	C.[PdCl₄]^2-
	D.[NiCl₄]^2-

Ans: [NiCl₄]^2-

Q3.	The number of possible isomers for the complex \|Co(C₂O₄)₂ (NH₃)₂\|
	A.1
	B.2
	C.3
	D.4

Ans: 2

Q4.	The oxidation state of nickel in \|(Ni(CO₄)\| is
	A.1
	B.4
	C.2
	D.3

Ans: 4

Q5.	According to Werner’s theory of coordination compounds
	A.Primary valency is ion isable
	B.Secondary valency is ionisable
	C.Primary and secondary valencies are lonisable
	D.Neither primary nor secondary valency ¡s ionisable

Ans: Primary valency is ion isable

Q6.	Ammonia acts as a very good ligand but ammonium ion does not form complexes because
	A.NH₃ isa gas while NH\(_{4}^{+}\) is in liquid form.
	B.NH₃ undergoes sp³ hybridisatiort while NH\(_{4}^{+}\) undergoes sp³ d hybndisation
	C.NH\(_{4}^{+}\) ion does not have any lone pair of electrons
	D.NH\(_{4}^{+}\) ion has one unpaired electron while NH₃ has two unpaired electrons

Ans: NH\(_{4}^{+}\) ion does not have any lone pair of electrons

Q7.	The ligand N(CH₂CH₂NH₂) is
	A.bidentate
	B.tridentate
	C.tetradentate
	D.pentadentate

Ans: tetradentate

Q8.	Which of the following is a tridentate ligand?
	A.EDTA⁴⁺
	B.(COO)\(_{2}^{2-}\)
	C.dien
	D.NO\(_{2}^{-}\)

Ans: dien

Q9.	Among the following which arc ambidentate ligands? (i) SCN^– (ii) NO\(_{3}^{-}\) (iii) NO\(_{2}^{-}\) (iv) C₂O\(_{4}^{2-}\)
	A.(i) and (iii)
	B.(i) and (iv)
	C.(ii) and (iii)
	D.(ii) and (iv)

Ans: (i) and (iii)

Q10.	Which of the following ligands form a chelate?
	A.Acetate
	B.Oxalate
	C.Cyanide
	D.Ammonia

Ans: Oxalate

Q11.	Which of the following is not a neutral ligand?
	A.H₂O
	B.NH₃
	C.ONO
	D.CO₂

Ans: ONO

Q12.	Which of the following ligands will not show chelation?
	A.EDTA
	B.DMG
	C.Ethene-1, 2-diamine
	D.SCN^–

Ans: SCN^–

Q13.	The complex ion which has no d-electrons in the central metal atom is
	A.[MnO₄]^–
	B.[Co(NH₃)₆]^3-
	C.[Fe(CN)₆]^3-
	D.[Cr(H₂O)₆]³⁺

Ans: [MnO₄]^–

Q14.	The correct IUPAC name of the coordination compound K₃\|Fe(CN)₅NO\| is
	A.Potassium pentacyanonitrosylferrate (II)
	B.Potassium pentacyanonitroferrate (II)
	C.Potassium nitritopentacyanoferrate (IV)
	D.Potassium nitritepentacynanoiron (II)

Ans: Potassium pentacyanonitrosylferrate (II)

Q15.	The correct IUPAC name of the following compound is \|Cr(NH₃)₅(NCS)\|\|ZnCl₄\|
	A.Penta amine isothiocyanato chromium (III) tetrachlorozincate (II)
	B.Penta amine isothicocyanatezinc chloridechromate (III)
	C.Penta amine isothicoyanato chromate (II)
	D.isothiocyanatopenta amine chromium (II) zinc chloride (IV)

Ans: Penta amine isothiocyanato chromium (III) tetrachlorozincate (II)

Q16.	Correct formulae of tetraaminechloronitroplatinum (IV) sulphate can be written as
	A.[Pt(NH₃)₄ (ONO) Cl]SO₄
	B.[Pt(NH₃)₄Cl₂NO₂]₂
	C.[Pt(NH₃)₄ (NO₂) Cl]SO₄
	D.[PtCl(ONO)NH₃(SO₄)]

Ans: [Pt(NH₃)₄ (NO₂) Cl]SO₄

Q17.	Which of the following isomers will give white precipitate with BaCl₂ solution?
	A.[CO(NH₃)₅SO₄]Br
	B.[CO(NH₃)₅Br]SO₄
	C.[CO(NH₃)₄(SO₄)₂]Br
	D.[CO(NH₃)₄(SO₄)]

Ans: [CO(NH₃)₄(SO₄)₂]Br

Q18.	\|Pt(NH₃)₄\| \|CuCl₄\| and \|Cu(NH₃)₄\|\|PtCl₄\| are known as
	A.ionisation isomers.
	B.coordination isomers
	C.linkage isomers
	D.polymerisation isomers

Ans: coordination isomers

Q19.	The name of the linkage isomer of \|C0(NH₃)₅NO₂\|Cl₂ will be
	A.pentaammonotrocobalt (II) chloride
	B.pentaaminenitrochloridecobaltate (III)
	C.pentaamminenitritocobalt (III) chloride
	D.pentanitrosoamminechlorocobaltate(III)

Ans: pentaamminenitritocobalt (III) chloride

Q20.	Which of the following complex species is not expected to exhibit optical isomerism?
	A.[Co(en) (NH₃)₂Cl₂]⁺
	B.[Co(en)₃]³⁺
	C.[Co(en)₂Cl₂]
	D.[Co(NH₃)₃Cl₃]