The ease of liq\uefaction of noble gases decreases in the order (1) He>Ne>Ar>Kr>Xe (2) Xe>Kr>Ar>

step 1 So the question asks, the ease of liquefaction of noble gases decreases in the order. So let's s

The ease of liq\uefaction of noble gases decreases in the...

The ease of liquefaction of noble gases decreases in the order (1) $\mathrm{He}>\mathrm{Ne}>\mathrm{Ar}>\mathrm{Kr}>\mathrm{Xe}$ (2) $\mathrm{Xe}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}$ (3) $\mathrm{Kr}>\mathrm{Xe}>\mathrm{He}>\mathrm{Ar}>\mathrm{Ne}$ (4) $\mathrm{Ar}>\mathrm{Kr}>\mathrm{Xe}>\mathrm{He}>\mathrm{Ne}$

The ease of liquefaction of noble gases decreases in the order
(1) $\mathrm{He}>\mathrm{Ne}>\mathrm{Ar}>\mathrm{Kr}>\mathrm{Xe}$
(2) $\mathrm{Xe}>\mathrm{Kr}>\mathrm{Ar}>\mathrm{Ne}>\mathrm{He}$
(3) $\mathrm{Kr}>\mathrm{Xe}>\mathrm{He}>\mathrm{Ar}>\mathrm{Ne}$
(4) $\mathrm{Ar}>\mathrm{Kr}>\mathrm{Xe}>\mathrm{He}>\mathrm{Ne}$

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Key Concepts

Liquefaction of Gases

Liquefaction is the process of converting a gas into a liquid by cooling or compressing it. The ease of liquefaction depends on the strength of intermolecular attractions, which in noble gases increases with atomic number, thereby affecting their relative boiling points.

Polarizability

Polarizability refers to the tendency of an electron cloud to be distorted by external electric fields. In noble gases, larger atoms have higher polarizability, resulting in stronger dispersion forces and higher boiling points.

Boiling Point

The boiling point of a substance is the temperature at which it transitions from a liquid to a gas. In the context of noble gases, a higher boiling point indicates stronger intermolecular forces, making the gas easier to liquefy.

Intermolecular Forces

Intermolecular forces, particularly London dispersion forces in noble gases, are the attractive forces between atoms. Their strength increases with atomic size and polarizability, which significantly influences the boiling points and ease of liquefaction of these gases.

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