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Questions and Answers
Which theory explains soft-soft interaction based on π-bonding?
Which theory explains soft-soft interaction based on π-bonding?
- π - Bonding theory (correct)
- Ionic bonding theory
- Hard-hard interaction theory
- Electrostatic Interactions theory
What characterizes soft acids according to the text?
What characterizes soft acids according to the text?
- Low oxidation state and a small number of d-electrons
- High oxidation state and a small number of d-electrons
- Low oxidation state and a large number of d-electrons (correct)
- High oxidation state and a large number of d-electrons
What type of bond is formed by the interaction of hard acids and hard bases according to the text?
What type of bond is formed by the interaction of hard acids and hard bases according to the text?
- Metallic bond
- Covalent bond
- Hydrogen bond
- Ionic bond (correct)
What favors π -bonding between soft acids and soft bases according to the text?
What favors π -bonding between soft acids and soft bases according to the text?
What is the internuclear distance inversely proportional to in the context of electrostatic interactions?
What is the internuclear distance inversely proportional to in the context of electrostatic interactions?
Which theory was given to explain soft-soft interaction on the basis of π-bonding?
Which theory was given to explain soft-soft interaction on the basis of π-bonding?
What characterizes soft acids according to the text?
What characterizes soft acids according to the text?
What favors π -bonding between soft acids and soft bases according to the text?
What favors π -bonding between soft acids and soft bases according to the text?
What type of bond is formed by the interaction of hard acids and hard bases according to the text?
What type of bond is formed by the interaction of hard acids and hard bases according to the text?
What is the internuclear distance inversely proportional to in the context of electrostatic interactions?
What is the internuclear distance inversely proportional to in the context of electrostatic interactions?
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Study Notes
Acid-Base Interactions
- The HSAB (Hard and Soft Acids and Bases) theory explains soft-soft interaction based on π-bonding.
Characterization of Soft Acids
- Soft acids are characterized as large and polarizable, with low electronegativity and low oxidation states.
Bond Formation
- The interaction of hard acids and hard bases forms ionic bonds.
- π-bonding between soft acids and soft bases is favored by the presence of empty d orbitals in the acid and high-energy filled orbitals in the base.
Electrostatic Interactions
- The internuclear distance is inversely proportional to the product of the charges of the ions involved (Q1*Q2) in the context of electrostatic interactions.
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