Which forces of attraction are responsible for liquefication of He gas?
A
Coulombic forces
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B
Dipole forces
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C
Hydrogen bonding
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D
van der Waals forces
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Solution
The correct options are A van der Waals forces C Dipole forces
Vanderwaal forces and Dipole forces of attraction are responsible for liquefaction of He gas.These two force of attractions are operated between atoms of He.