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Questions and Answers
According to Werner's theory of coordination compounds, what does the term 'secondary valence' refer to?
According to Werner's theory of coordination compounds, what does the term 'secondary valence' refer to?
- The coordination number of the coordination compound
- The oxidation number of the central atom
- The number of isomers present in the coordination compound
- The number of ligands bound directly to the metal ion (correct)
In a series of cobalt(III) chloride compounds with ammonia, why did some chloride ions precipitate as AgCl while others did not?
In a series of cobalt(III) chloride compounds with ammonia, why did some chloride ions precipitate as AgCl while others did not?
- There was a difference in the number of ammonia molecules bound to cobalt in each compound
- The primary valences were different for each compound
- The secondary valences were different for each compound (correct)
- The coordination number of cobalt was different in each compound
What term is used to describe the atoms within square brackets in the chemical formulas of coordination compounds according to Werner's theory?
What term is used to describe the atoms within square brackets in the chemical formulas of coordination compounds according to Werner's theory?
- Central atoms
- Ligands
- Coordination spheres
- Coordination entities (correct)
What postulate of Werner's theory explains why some groups (ligands) remain bonded to the metal ion during a reaction?
What postulate of Werner's theory explains why some groups (ligands) remain bonded to the metal ion during a reaction?
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How did Werner differentiate between primary and secondary valences in coordination compounds?
How did Werner differentiate between primary and secondary valences in coordination compounds?
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