Coordination Complexes

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Coordination Complexes - 04

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Q1. Which ligand is expected to be bidentate? *

1 point

C2O4+2

C2O4-2

SCN-

NO2

Q2. (en) is a *

1 point

Monodentate ligand

Bidentate ligand

Tridentate ligand

Hexadentate ligand

Q3. Which one of the following ligands forms a chelate *

1 point

Fluorido

Oxalato

Ammine

Thiocyanato

Q4. The stabilization of cooordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species ? *

1 point

[Fe(CO)5]

[Cr(C2O4)3]-3

[Fe(NH3)6]+2

[Pt(NH3)3Cl3]Cl

Q5. Oxidation number of Pt in [Pt(NH3)3Cl3]Cl *

1 point

Q6. Coordination number of Ni in [Ni(ox)3]-4 *

1 point

Q7. Which of the following complexes are homoleptic ? *

1 point

[Fe(NH3)5Cl]+2

[Fe(CO)5]

[Pt(NH3)3Cl3]Cl

[Cr(C2O4)2Cl2]-3

Q8. Central atoms/ions in coordination compounds are *

1 point

Lewis acid

Lewis Base

Neutral Molecule

All are correct

Q9. The name of K3[Al(C2O4)3] *

1 point

Potassium aluminooxalate

Potassium trioxalatoaluminate (III)

Potassium aluminium (III) oxalate

Potassium trioxalatoaluminate (VI)

Q10. The IUPAC name of the coordination compound K4[Fe(CN)6] is *

1 point

Tripotassium hexacyanoiron (II)

Potassium hexacyanoiron (II)

Potassium hexacyanoferrate (III)

Potassium hexacyanoferrate (II)

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