Interpretation:
The initial fragrance, as well as the change in the fragrance over time of the given perfume, is to be identified.
Concept Introduction:
Solid, liquid and gas are the three
When these forces start decreasing, the state changes from solid to liquid. This is termed as melting. On further decrease in the intermolecular forces, liquid changes to a gas. This is termed as vaporization. Some substances bypass the liquid state and directly convert from solid to gas state. This process is known as sublimation.
There is a number of intermolecular forces which play a role in different molecules such as dipole-dipole, hydrogen bonding, and dispersion forces etc.
The compounds lacking specific functional moieties have dispersion forces acting on their molecules. These increase with an increase in the molecular mass.
Lower are the forces of attraction, more is the volatility of the substance.
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Chemistry In Focus
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