Question

how to assess the liquefaction tendency of noble gases?​

Answer 1

Explanation:

The ease of liquefaction decreases with decrease in critical temperature.

He has the lowest critical temperature (5.1 K) while Rn has the highest critical temperature (373.5 K). It increases as we move down the group from helium to radon.

The decrease of critical temperature follows the trend Xe>Kr>Ar>Ne>He and hence, the same trend is followed for liquefaction

Answer 2

Answer:

Gases can be liquified by applying pressure and lowering the temperature. ... On applying pressure the gaseous particles come closer and start attracting eachother. When gas is compressed too much then heat is produced due to compression.