Answer the following questions about the hybrid orbitals on the
iodine atom in the
IO3- and
IO4- molecular ions. What
are the expected geometries of these ions?
| IO3-: | Central atom = I | ||
|---|---|---|---|
| Type of hybrid orbitals on the iodine atom = | _____spsp2sp3 | ||
| Number of hybrid orbitals used in overlap with atomic orbitals = | |||
| Number of hybrid orbitals accomodating unshared electrons = | |||
| Hybrid orbital geometry = | _________linearbenttrigonal planartrigonal pyramidaltetrahedral | ||
| Molecular geometry = | _________linearbenttrigonal planartrigonal pyramidaltetrahedral |
| IO4-: | Central atom = I | ||
|---|---|---|---|
| Type of hybrid orbitals on the iodine atom = | _____spsp2sp3 | ||
| Number of hybrid orbitals used in overlap with atomic orbitals = | |||
| Number of hybrid orbitals accomodating unshared electrons = | |||
| Hybrid orbital geometry = | _________linearbenttrigonal planartrigonal pyramidaltetrahedral | ||
| Molecular geometry = | _________linearbenttrigonal planartrigonal pyramidaltetrahedral |
please answer following
In both cases the central atom iodine undergoes sp3 hybridisation , in IO3- there is a lone pair and in IO4- no lone pair.
| IO3-: | Central atom = I | ||
|---|---|---|---|
| Type of hybrid orbitals on the iodine atom = | sp3 | ||
| Number of hybrid orbitals used in overlap with atomic orbitals = | 3 | ||
| Number of hybrid orbitals accomodating unshared electrons = | 1 | ||
| Hybrid orbital geometry = | _________tetrahedral | ||
| Molecular geometry = | _________trigonal pyramidal |
| IO4-: | Central atom = I | ||
|---|---|---|---|
| Type of hybrid orbitals on the iodine atom = | sp3 | ||
| Number of hybrid orbitals used in overlap with atomic orbitals = | 4 | ||
| Number of hybrid orbitals accomodating unshared electrons = | none | ||
| Hybrid orbital geometry = | tetrahedral | ||
| Molecular geometry = | tetrahedral |
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