Werner’s Theory MCQ – Coordination Compounds MCQ

• Topic: Werner’s Theory
• Chapter: Coordination Compounds
• Number of Questions: 10
• Target: Class 12th Board Exam

Let’s Start

1. According to Werner, primary valency of CrCl₃ is

1. 4
2. 2
3. 1
4. 3

2. Geometry of the Compound [Ni(CO)₄]

1. Tetrahedral.
2. Octahedral.
3. Square planar.
4. None of these.

3. Geometry of the compound [Co(NH₃)₆]³⁺

1. Tetrahedral.
2. Square planar.
3. Trigonal Planar.
4. Octahedral.

4. Primary valency of K₂[Zn(OH)₄] is

1. 1
2. 2
3. 3
4. 4

5. According to Werner, which of the following valency is ionisable?

1. Primary valency.
2. Secondary valency.
3. Both of these.
4. None of this.

6. Primary valency of CoCl₂ is

1. 1
2. 3
3. 2
4. 0

7. According to Werner, secondary valency is equal to

1. No of atoms.
2. Electronegativity.
3. Coordination number.
4. None of these.

8. Which of the following compounds can dissociate into simple ions

1. K₄Fe(CN)₆
2. [Fe(CN)₆]^4-
3. Both of the above.
4. None of the above.

9. Valeny of Zinc in K₂[Zn(OH)₄]

1. +1
2. +2
3. +3
4. +4

10. Which of the following is double salt?

1. FeSO₄.(NH₂)SO₄.6H₂O
2. [Fe(CN)₆]^4-
3. Both 1 and 2.
4. None of the above.