Home > Class 12 Chemistry > Quizzes > Class 12 Chemistry Practice Test: Werner's Theory of Coordination Compounds
Class 12 Chemistry Practice Test: Werner's Theory of Coordination Compounds
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 33% • Most missed: “[Fe(CN)6]4- is an example of a _______”

Werner's theory states that the transition metal cation will have two valencies: a primary and a secondary. The primary valence is equal to the oxidation number of the metal cation, is ionizable, and can be satisfied by negative charges.

Class 12 Chemistry Practice Test: Werner's Theory of Coordination Compounds
Time left 00:00
14 Questions

1. If the secondary valence in CoCl3.4NH3 is six, the solution conductivity in silver nitrate corresponds to ________ electrolyte.
2. Given that 1 mol of NiCl2.6H2O with excess AgNO3 precipitates 2 mols of AgCl, what is the secondary valence of Ni?
3. What was the term proposed by Werner for the number of groups bound directly to the metal ion in a coordination complex?
4. Werner proposed that the primary valences are ionizable and are satisfied only by positive ions.
5. Predict the secondary valence of Pt within the complex ion from the equation shown below.
Find the secondary valence of Pt within the complex ion from the equation
6. If Pt in PtCl4.2HCl has a secondary valence of 6, how many mols of AgCl will 1 mol of the compound precipitate with excess AgNO3?
7. Which of the following is a complex salt?
8. Which is the counter ion in [Pd(NH3)4]2+2Cl–?
9. What is the sum of the oxidation number of cobalt in [Co(H2O)(CN)(en)2]2+and [CoBr2(en)2]+?
10. [Fe(CN)6]4- is an example of a _______
11. What is the colour of the compound CoCl3.5NH3?
12. Werner postulated that octahedral, tetrahedral and square planar geometrical shapes are more common in coordination compounds of ________
13. What is the primary valence of iron in the coordination entity of compound Fe4[Fe(CN)6]3?
14. The compound tetraamminecopper(II) sulphate, or [Cu(NH3)4]SO4.5H2O, a double salt.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 12 Chemistry: Solutions Class 12 Chemistry Practice Test: Polymers of Commercial Importance Class 12 Chemistry: Electrochemistry Class 12 Chemistry: Polymers Class 12 Chemistry: D and F-Block Elements Class 12 Chemistry Practice Test: Haloalkanes & Haloarenes - Chemical Reactions Class 12 Chemistry Practice Test: Amines Chemical Reactions Class 12 Chemistry Practice Test: Solid State Class 12 Chemistry Practice Test: Nature of C-X Bond Class 12 Chemistry Practice Test: Preparation of Amines
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.