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COORDINATION COMPOUNDS MCQs

Total Questions : 25 | Page 1 of 3 pages
Question 1. Which one is a cationic complex?
  1.    K3[Fe(CN)6]
  2.    Na2[Ni(EDTA)]
  3.    [Co(en)2Cl2]Cl
  4.    K3[Fe(CN)5NO]
 Discuss Question
Answer: Option C. -> [Co(en)2Cl2]Cl
Question 2. The IUPAC name of K2 [Ni (CN)4] is
  1.    Potassium tetracyanatonickelate (II)
  2.    Potassium tetracyanonickelate (III)
  3.    Potassium tetracyanonickel (III)
  4.    Potassium tetracyanatonickel (II)
 Discuss Question
Answer: Option A. -> Potassium tetracyanatonickelate (II)
Question 3. The IUPAC name of the complex [Co (NH3)4 Cl2] Cl is
  1.    dichloro tetraammine cobalt (III) chloride
  2.    tetraammine dichloro cobalt (III) chloride
  3.    tetraammine dichloro cobalt (II) chloride
  4.    tetraammine dichloro cobalt (IV) chloride
 Discuss Question
Answer: Option B. -> tetraammine dichloro cobalt (III) chloride
Question 4. The value of 'spin only' magnetic moment for one of the following configurations is 2
  1.    d4 (in strong field ligand in octahedral complexes)
  2.    d4 (in weak field ligand in octahedral complexes)
  3.    d3 (in weak as well as strong field ligand in octahedral complexes)
  4.    d5 (in strong field ligand in octahedral complexes)
 Discuss Question
Answer: Option A. -> d4 (in strong field ligand in octahedral complexes)
Question 5. The compound having lowest oxdation state of iron is
  1.    K4[Fe(CN)6]
  2.    K2FeO4
  3.    [Fe(CO)5]
  4.    K3[Fe(CN)6]
 Discuss Question
Answer: Option C. -> [Fe(CO)5]
Question 6. The type of isomerism shown by the complex [CoCl2(en)2] is
  1.    Geometrical isomerism
  2.    Coordination isomerism
  3.    Linkage isomerism
  4.    Ionization isomerism
 Discuss Question
Answer: Option A. -> Geometrical isomerism
Question 7. Which of the following complexes can exhibit optical isomerism? (en = H2N–CH2–CH2–NH2 and is bidentate)
  1.    cis–Co(NH3)4Cl2
  2.    trans–Co(en)2Br2
  3.    cis–Co(en)2Cl2
  4.    Co(NH3)3Cl3
 Discuss Question
Answer: Option C. -> cis–Co(en)2Cl2
Question 8. Which of the following species is not expected to be a ligand
  1.    NO
  2.    NH4+
  3.    NH2CH2CH2NH2
  4.    CO
 Discuss Question
Answer: Option B. -> NH4+
Question 9. Which one is an anionic complex?
  1.    K[Ag(CN)2]
  2.    [Ag(NH3)2]Cl
  3.    [Ni(CO)4]
  4.    [Co(NH3)6]Cl3
 Discuss Question
Answer: Option A. -> K[Ag(CN)2]
Question 10. Which one is a neutral ligand?
  1.    H2O
  2.    NH3
  3.    CO
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these

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