Question

Which of the following liquids has the weakest van der Waals forces of attraction between its molecules?

1
Kr(l)
2
Ne(l)
3
Ar(l)
4
He(l)
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Reference

Answer 1

He

Step-by-step explanation:

This is because van der Waals force decrease down the group for noble gases. This is due to the ease of liquificaton down the group