WorksheetsWerner Theory and VB Theory
Total questions: 10
Worksheet time: 5mins
The primary valency corresponds to
coordination number
charge on the complex
oxidation number
counter ions
The primary valency cannot be
positive
neutral
positive or neutral
negative
According to VB theory, the bonding between metal atom/ion and ligand is
covalent pi bond
coordinate covalent sigma bond
covalent sigma bond
coordinate covalent bond
An octahedral complex is formed when hybrid orbitals of the following type are involved
sp3
dsp2
d2sp3
dsp3
sp3 hybridisation leads to
Tetrahedral shape
Octahedral shape
Hexagonal shape
Trigonal bipyramid
The secondary valency are
directional and ionisable
directional and non ionisable
non direstional and non ioisable
non direstional and ioisable
VB theory failed to explain
all the components of magnetic moment
geometry
spatial arrangement of ligands
nature of the bond
According to werner theory , the geometry of CoCl3(NH3)6
tetrahedral
square planar
octahedral
trigonal planar
The type of hybridisation present in the above structure
sp3
sp
dsp3
d2sp3
low spin complex and high spin complex have the following hybridisation
d2sp3 and sp3d2
sp3d2 and d2sp3
dsp3 and sp3d
sp3d and dsp3
