Nomenclature of Co-ordination Compounds, Class 12 Chemistry NCERT Solutions

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. The hybridization of metal ion orbitals for ligand bonds in [Mn(CN)₆]^3- is:

 d₂sp₃

 sp₂

 sp₃d₂

 sp₃

Question 1 of 10

2. Ferrocyanide ion is a type of

 Square planar complex

 Octahedral complex

 Tetrahedral complex

 Octahedral square planar complex

Question 2 of 10

3. The number of unpaired electrons in [V(H2O)₆]³⁺ is:

 1

 4

 3

 2

Question 3 of 10

4. Valence bond theory was proposed by

 Mendeleev’s

 Pauling

 Rutherford

 Werner

Question 4 of 10

5. Which of the following statements is not correct as per the nomenclature of coordination compounds is concerned?

 The name of neutral ligands is written as such except few like aqua for water.

 The oxidation state of a metal in the coordination sphere should be written in roman numerals.

  The name of the anionic part should be written first.

 The name of the cationic part should be written first.

Question 5 of 10

6. Metal posses two types of valency- Primary (ionizable) and secondary (non-ionizable) is the postulate of

  Werner

 Mendeleves

 Rutherford

 Pauling

Question 6 of 10

7. Metal-ligand bond arises by the donation of pairs of electrons by ligands to the metal is an assumption of

 Molecular orbital theory

 VSEPR theory

 Valence bond theory

 Crystal field theory

Question 7 of 10

8. Among the following which one has the highest paramagnetism?

 [Zn(H₂O)₆]²⁺

 [Fe(H₂O)₆]²⁺

 [Cu(H₂O)₆]²⁺

 [Cr(H₂O)₆]³⁺

Question 8 of 10

9. The complex, [Ni(CN)₄]^2-, has:

 Octahedral structure

 Linear structure

 Tetrahedral structure

 Square planar Structure

Question 9 of 10

10. [Ni(CN)₄]^2- is a type of square planar complex where the oxidation state of Ni is:

  +2

 +1

 +4

 +3

Question 10 of 10

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