Question

According to Werner’s theory the geometry of the complex is determined by

• A. only from the primary valence in space
• B. number and position of the primary valences in space
• C. number and position of the secondary valences in space
• D. only from the position of secondary valence in space

Answer 1

Answer: (C)

Werner's theory was used to describe the structure and formation of complex compounds or coordination compounds. According to this theory the primary valency gives the oxidation number and the secondary valency gives the coordination number. Also, the geometry of the complex is determined by number and position of secondary valences in space as the ligand satisfying secondary valences are always directed towards fixed position in space