Bond Parameters
Many factors decide the covalent bonding between atoms. Some of the bond parameters are bond angle, bond order, enthalpy, bond length, etc. These parameters decide what kind of bond will form in atoms. Hence it is crucial to understand these parameters in detail and understand how changing these parameters affects the kind of bonding or various characteristics.
Bond Dissociation Energy
The tendency of an atom to attract an electron is known as its electronegativity.
- Place the flowing four compounds in order of boiling point from highest to lowest.
The boiling point of any organic compound generally depends on the molecular weight and size of the compound. Higher the molecular wt. higher will be the BP.
Here you have all 4 molecules from class of alcohol, which have H-bonding with another alcohol molecules. (Intramolecular H-bonding).
Although you have one as isomer of another, they differ in their boiling point. The reason behind is H-Bonding.
The linear one (Propanol and butanol ) will have more strong H-bonding because there will be less hindrance to each other molecules. therefore more strong bonding means more energy required to break them and thus higher BP.
While in the case of isopropyl alcohol and t-butanol they will have less H-bonding, therefore less BP compare to corresponding linear chain structure.
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