Question

Which is/ are correct for ideal gases?

• A. $\underset{P\to 0}{Lt}\left(P{V}_m\right)$=constant at constant high temperature
• B. $\underset{V_m\to 0}{Lt}\left(P{V}_m\right)$=constant at constant low temperature
• C. $\underset{P\to 0}{L}t\left(\frac{P{V}_m}{RT}\right)$=1 at high temperature
• D. $\underset{V\to 0}{L}t\left(\frac{P{V}_m}{RT}\right)$=R

Answer 1

The correct option is C $\underset{P\to 0}{L}t\left(\frac{P{V}_m}{RT}\right)$=1 at high temperature

A gas behaves more like an ideal gas at higher temperature and lower pressure, as the potential energy due to intermolecular forces becomes less significant compared with the particles' kinetic energy, and the size of the molecules becomes less significant compared to the empty space between them.

So, C is correct.