{"id":19164,"date":"2022-06-03T19:00:14","date_gmt":"2022-06-03T13:30:14","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=19164"},"modified":"2022-05-21T12:47:54","modified_gmt":"2022-05-21T07:17:54","slug":"mcq-questions-for-class-12-chemistry-chapter-9","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/mcq-questions-for-class-12-chemistry-chapter-9\/","title":{"rendered":"MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds with Answers"},"content":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds with Answers Pdf free download is available here. MCQ Questions for Class 12 Chemistry with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Coordination Compounds Class 12 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Coordination Compounds Class 12 MCQs Questions with Answers<\/h2>\n

Solving the Coordination Compounds Multiple Choice Questions of Class 12 Chemistry Chapter 9 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Coordination Compounds Class 12 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 9 Chemistry Class 12 and cross-check your answers during preparation.<\/p>\n

Question 1.
\nThe coordination number of cobalt in [Co(en)3<\/sub>]3+<\/sup> is
\n(a) 3
\n(b) 4
\n(c) 6
\n(d) 2<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) 6<\/p>\n<\/details>\n

\n

Question 2.
\nThe IUPAC name of K3<\/sub>[Fe(CN)5<\/sub>NO] is
\n(a) potassium pentacyanonitrosylferrate(II)
\n(b) potassium pentacyanonitroferrate(II)
\n(c) potassium pentacyanonitrosylferrate(III)
\n(d) tripotassium pentacyanonitrosy If errate(II)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) potassium pentacyanonitrosylferrate(II)<\/p>\n<\/details>\n

\n

Question 3.
\nWhich of the following is hexadentate ligand?
\n(a) diene
\n(b) CN–<\/sup>
\n(c) en
\n(d) EDTA<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) EDTA<\/p>\n<\/details>\n

\n

Question 4.
\nOn adding AgNO3<\/sub> solution to 1 mole of PdCl2<\/sub>. 4NH3<\/sub> two moles of AgCl are formed. The secondary valency of Pd in the complex will be
\n(a) 0
\n(b) 2
\n(c) 4
\n(d) 1<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) 4<\/p>\n<\/details>\n

\n

Question 5.
\nWhat kind of isomerism exists between [Cr(H2<\/sub>O)6]Cl3<\/sub> and [Cr(H3<\/sub>O)5<\/sub>Cl]Cl2<\/sub>. H2<\/sub>O?
\n(a) Linkage isomerism
\n(b) Solvate isomerism
\n(c) Ionisation isomerism
\n(d) Coordination isomerism<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Solvate isomerism<\/p>\n<\/details>\n

\n

Question 6.
\nThe IUPAC name of [PtCI(NO2<\/sub>) (NH3<\/sub>)4<\/sub>]SO4<\/sub> is
\n(a) Tetraamminechloridonitrito-N- platinate (III) sulphate
\n(b) Tetraamminechloridonitrito-N- platinum (IV) sulphate
\n(c) Chloridonitrito-N- ammineplatinum(IV) sulphate
\n(d) Tetraamminechloridonitrito-N- platinate (IV) sulphate<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Tetraamminechloridonitrito-N- platinum (IV) sulphate<\/p>\n<\/details>\n

\n

Question 7.
\nWhich metal is present in vitamin B12<\/sub> cyanocobalamin?
\n(a) Fe
\n(b) Co
\n(c) Mg
\n(d) Pt<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Co<\/p>\n<\/details>\n

\n

Question 8.
\nWhich is present in metal carbonyls?
\n(a) M-C \u03c3 bond
\n(b) M – C \u03c0 bond
\n(c) M-C \u03c3 and M – C \u03c0 bond
\n(d) None of these<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) M-C \u03c3 and M – C \u03c0 bond<\/p>\n<\/details>\n

\n

Question 9.
\nHow many ions are given by [Co(NH3<\/sub>)5<\/sub> Br] Cl2<\/sub> complex in water?
\n(a) 4
\n(b) 2
\n(c) 6
\n(d) 3<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) 3<\/p>\n<\/details>\n

\n

Question 10.
\nWhich complex exhibits geometrical isomerism?
\n(a) [MnBr4<\/sub>]2+<\/sup>
\n(b) [Pt(NH3<\/sub>)3<\/sub>Cl]+
\n(c) [PtCl2<\/sub>(P(C2<\/sub>H2<\/sub>)3<\/sub>)2<\/sub>]
\n(d) [Fe(H2<\/sub>O)5<\/sub>NO]2+<\/sup><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) [PtCl2<\/sub>(P(C2<\/sub>H2<\/sub>)3<\/sub>)2<\/sub>]<\/p>\n<\/details>\n

\n

Question 11.
\nThe IUPAC name of K[Ag(CN)2<\/sub>] is
\n(a) dicyanidosilver(l)
\n(b) dicyanidoargentate(l)
\n(c) potassium dicyanidoargentate(l)
\n(d) potassium dicyanidoargentate(ll)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) potassium dicyanidoargentate(l)<\/p>\n<\/details>\n

\n

Question 12.
\nThe IUPAC name of the compound K2<\/sub>[Ni(CN)4<\/sub>] is
\n(a) Potassium tetracyanidonickelate(lll)
\n(b) Potassium tetracyanidonickelate(ll)
\n(c) Potassium tetracyanidonickel(lll)
\n(d) Potassium tetracyanidonickel(ll)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Potassium tetracyanidonickelate(ll)<\/p>\n<\/details>\n

\n

Question 13.
\nWhich metal carbonyl has the strongest C-O bond?
\n(a) Mn(CO)6<\/sub>+<\/sup>
\n(b) Cr(CO)6<\/sub>
\n(c) V(CO)6<\/sub>
\n(d) Fe(CO)5<\/sub><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Mn(CO)6<\/sub>+<\/sup><\/p>\n<\/details>\n

\n

Question 14.
\nIn the following which metal complex ion has zero oxidation number?
\n(a) [Cr(H2<\/sub>O)6<\/sub>]3+<\/sup>
\n(b) [CuCl4<\/sub>]2-<\/sup>
\n(c) [Fe(CO)5<\/sub>]
\n(d) [Fe(CN)6<\/sub>]3-<\/sup><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) [Fe(CO)5<\/sub>]<\/p>\n<\/details>\n

\n

Question 15.
\nIn the following chelating ligand is
\n(a) OH–<\/sup>
\n(b) H2<\/sub>NCH2<\/sub>CH2<\/sub>NH2<\/sub>
\n(c) Cl–<\/sup>
\n(d) CN–<\/sup><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) H2<\/sub>NCH2<\/sub>CH2<\/sub>NH2<\/sub><\/p>\n<\/details>\n

\n

Question 16.
\nWhat is the coordination number in the K3<\/sub>[Cr(C2<\/sub>O4<\/sub>)3<\/sub>] coordinate compound
\n(a) 3
\n(b) 6
\n(c) 4
\n(d) 2<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) 6<\/p>\n<\/details>\n

\n

Question 17.
\nWhat is the oxidation state of Fe in K3<\/sub>[Fe(CN)6<\/sub>]
\n(a) +2
\n(b) +3
\n(c) +4
\n(d) +1<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) +3<\/p>\n<\/details>\n

\n

Question 18.
\nK3<\/sub>[Al(C2<\/sub>O4<\/sub>)3<\/sub>] is named as
\n(a) potassium trioxalatoaluminate (III)
\n(b) potassium aluminooxalate
\n(c) potassium aluminium(lll) oxalate
\n(d) potassium trioxalatoaluminate (II)<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) potassium trioxalatoaluminate (III)<\/p>\n<\/details>\n

\n

Question 19.
\nPredict the number of ions produced per formula unit in an aqueous solution of [Co(en)3<\/sub>]Cl3<\/sub>.
\n(a) 4
\n(b) 3
\n(c) 6
\n(d) 2<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) 4<\/p>\n<\/details>\n

\n

Question 20.
\nWhen one mole of CoCl3<\/sub>.5NH3<\/sub> was treated with excess of silver nitrate solution, 2 mol of AgCl was precipitated. The formula of the compound is:
\n(a) [Co(NH3<\/sub>)5<\/sub>Cl2<\/sub>]Cl
\n(b) [Co(NH3<\/sub>)5<\/sub>Cl]Cl2<\/sub>
\n(c) [Co(NH3<\/sub>)4<\/sub>Cl2<\/sub>] (NH3<\/sub>)Cl
\n(d) [Co(NH3<\/sub>)3<\/sub>Cl3<\/sub>] (NH3<\/sub>)2<\/sub><\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) [Co(NH3<\/sub>)5<\/sub>Cl]Cl2<\/sub><\/p>\n<\/details>\n

\n

Question 21.
\nThe absorption maxima of several octahedral complex ions are as follows:
\n\"MCQ
\nThe crystal field splitting is maximum for:
\n(a) [CO(H2<\/sub>O)6<\/sub>]3+<\/sup>
\n(b) [CO(CN)6<\/sub>]3-<\/sup>
\n(c) (CO(NH3<\/sub>)6<\/sub>]3+<\/sup>
\n(d) All the complex ions have the same splitting, \u03940<\/sub>.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) [CO(CN)6<\/sub>]3-<\/sup><\/p>\n<\/details>\n

\n

Assertion and Reason Type Questions<\/span><\/p>\n

The questions given below consist of an assertion and a reason. Use the following key to choose the appropriate answer.
\n(a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
\n(b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
\n(c) Assertion (A) is correct, Reason (R) is wrong statement.
\n(d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n

Question 22.
\nAssertion: The complex [Co(NH3<\/sub>)3<\/sub>Cl3<\/sub>] does not give precipitate with silver nitrate solution.
\nReason: The given complex is non-ionizable.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 23.
\nAssertion: The complex ion trans [Co(en)2<\/sub>Cl2<\/sub>]+<\/sup> is optically active.
\nReason: It is an octahedral complex.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 24.
\nAssertion: NF3<\/sub> is weaker ligand than N(CH3<\/sub>)3<\/sub>.
\nReason: NF3<\/sub> ionises to give F–<\/sup> ions in aqueous solution.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n

\n

Question 25.
\nAssertion: The [Ni(en)3<\/sub>]Cl2<\/sub> (en = ethylenediamine) has lower stability than [Ni(NH3<\/sub>)6<\/sub>]Cl2<\/sub>.
\nReason: In [Ni(en)3<\/sub>]Cl2<\/sub>, the geometry of Ni is trigonal bipyramidal.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n

\n

Question 26.
\nAssertion: [Ni(CO)4<\/sub>] is diamagnetic and tetrahedral in shape.
\nReason: [Ni(CO)4<\/sub>] contains no unpaired electron and involves dsp\u00b2 hybridisation.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n

\n

Question 27.
\nAssertion: The ligands -NO2<\/sub>–<\/sup> and ONO–<\/sup> are ambident in nature.
\nReason: They form linkage isomers.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 28.
\nAssertion: The complex [Fe(CN)6<\/sub>]4-<\/sup> is diamagnetic though iron (II) has 3d6<\/sub> configuration.
\nReason: CN–<\/sup> is a strong ligand and has the configuration: t2g<\/sub>6<\/sup>. Therefore, it has no unpaired electrons.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 29.
\nAssertion: The oxidation state of Pt in Zeise salt is 0.
\nReason: Zeise salt is non-ionic complex.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Assertion (A) is correct, Reason (R) is wrong statement.<\/p>\n<\/details>\n

\n

Question 30.
\nAssertion: Optical isomerism is not shown by square planar complexes.
\nReason: Square planar complexes do not have chiral structures.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 31.
\nAssertion: Tetrahedral complexes do not show geometrical isomerism.
\nReason: Bond angle in tetrahedral geometry is 109.5\u00b0.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 32.
\nAssertion: [Ni(CO)4<\/sub>] is diamagnetic complex.
\nReason: It involves sp\u00b3 hybridisation and there is no unpaired electron.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).<\/p>\n<\/details>\n

\n

Question 33.
\nAssertion: The complex [Co(NH3<\/sub>)4<\/sub>Cl2<\/sub>]Cl gives precipitates corresponding to 2 mol of AgCl with AgNO3<\/sub> solutions.
\nReason: It ionises as [Co(NH3<\/sub>)4<\/sub>Cl2<\/sub>]+<\/sup> + Cl–<\/sup>.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Assertion (A) is wrong, but Reason (R) is correct statement.<\/p>\n<\/details>\n

\n

Hope the information shared regarding the NCERT MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds with Answers Pdf free download is true and genuine as far as our knowledge is concerned. If you feel any information regarding CBSE Class 12 Chemistry Coordination Compounds MCQs Multiple Choice Questions with Answers is missing do reach us and we will look into it and add it accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 12 Chemistry Chapter 9 Coordination Compounds with Answers Pdf free download is available here. MCQ Questions for Class 12 Chemistry with Answers are prepared as per the Latest Exam Pattern. Students can solve these Coordination Compounds Class 12 MCQs Questions with Answers and assess …<\/p>\n

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