Class 12 Exam > Class 12 Questions > Which type of solids are held by weak dispers...
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Which type of solids are held by weak dispersion forces?
- a)Non polar molecular solids
- b)Covalent solids
- c)Metallic solids
- d)Polar molecular solids
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which type of solids are held by weak dispersion forces?a)Non polar mo...
Non-polar molecular solids are held by weak dispersion forces.
Explanation:
Non-polar molecular solids are composed of molecules that have no permanent dipole moment. Hence, the intermolecular forces holding these molecules together are London dispersion forces or Van der Waals forces. London dispersion forces are the weakest intermolecular force, and they occur between all types of molecules, whether they are polar or non-polar.
In contrast, polar molecular solids are held together by dipole-dipole forces, which are stronger than London dispersion forces. Covalent solids are held together by covalent bonds, which are also stronger than London dispersion forces. Metallic solids are held together by metallic bonds, which are even stronger than covalent bonds.
Therefore, the correct option is A) Non-polar molecular solids.
Explanation:
Non-polar molecular solids are composed of molecules that have no permanent dipole moment. Hence, the intermolecular forces holding these molecules together are London dispersion forces or Van der Waals forces. London dispersion forces are the weakest intermolecular force, and they occur between all types of molecules, whether they are polar or non-polar.
In contrast, polar molecular solids are held together by dipole-dipole forces, which are stronger than London dispersion forces. Covalent solids are held together by covalent bonds, which are also stronger than London dispersion forces. Metallic solids are held together by metallic bonds, which are even stronger than covalent bonds.
Therefore, the correct option is A) Non-polar molecular solids.
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Which type of solids are held by weak dispersion forces?a)Non polar mo...
Non polar Molecular Solids:
They are composed of either atom.
H2, Cl2 and I2.are some of the typical example.
In non-polar Molecular solids the comprised atoms or molecules are held together by weak dispersion forces or London forces.
They are soft and non-conductors of electricity.
They have low melting points and usually exist in liquid or gaseous state at room temperature and pressure.
They are composed of either atom.
H2, Cl2 and I2.are some of the typical example.
In non-polar Molecular solids the comprised atoms or molecules are held together by weak dispersion forces or London forces.
They are soft and non-conductors of electricity.
They have low melting points and usually exist in liquid or gaseous state at room temperature and pressure.
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