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Questions and Answers
What was the primary contribution of Alfred Werner to coordination compounds?
What was the primary contribution of Alfred Werner to coordination compounds?
- Formulating the concept of primary and secondary valence for metal ions (correct)
- Conducting conductivity measurements in solution
- Discovering the behavior of cobalt(III) chloride with ammonia
- Characterizing a large number of coordination compounds
How many chloride ions are bonded to a cobalt ion in CoCl3.5NH3 according to Werner's theory?
How many chloride ions are bonded to a cobalt ion in CoCl3.5NH3 according to Werner's theory?
- 5
- 3 (correct)
- 4
- 2
What is the color of CoCl3.6NH3 coordination compound?
What is the color of CoCl3.6NH3 coordination compound?
- Purple
- Yellow (correct)
- Violet
- Green
When excess silver nitrate is added to a solution of cobalt(III) chloride with ammonia, what happens to some of the chloride ions?
When excess silver nitrate is added to a solution of cobalt(III) chloride with ammonia, what happens to some of the chloride ions?
Which observation supports Werner's theory that certain groups remain bonded to the cobalt ion during a reaction?
Which observation supports Werner's theory that certain groups remain bonded to the cobalt ion during a reaction?
According to Werner's theory of coordination compounds, what do the secondary valences represent?
According to Werner's theory of coordination compounds, what do the secondary valences represent?
In Werner's theory, what types of linkages do metals in coordination compounds exhibit?
In Werner's theory, what types of linkages do metals in coordination compounds exhibit?
What characteristic spatial arrangements correspond to different coordination numbers in coordination compounds?
What characteristic spatial arrangements correspond to different coordination numbers in coordination compounds?
Which geometrical shapes are more common in coordination compounds of transition metals according to Werner's theory?
Which geometrical shapes are more common in coordination compounds of transition metals according to Werner's theory?
What distinguishes double salts from complex ions in their behavior when dissolved in water?
What distinguishes double salts from complex ions in their behavior when dissolved in water?
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