Which of the following gases is most likely to behave ideally?

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Question: Which of the following gases is most likely to behave ideally?

Options:

Correct Answer: He

Solution:

Helium (He) behaves most ideally due to its small size and weak intermolecular forces.

Which of the following gases is most likely to behave ideally?

Which of the following gases is most likely to behave ideally?

Step 1: Understand what an ideal gas is. An ideal gas is a theoretical gas that follows the gas laws perfectly under all conditions.
Step 2: Know the characteristics of ideal gases. They have no intermolecular forces and occupy no volume.
Step 3: Compare the gases given in the question. Look for gases that are small in size and have weak intermolecular forces.
Step 4: Identify helium (He) as a noble gas. Noble gases are known for having very weak intermolecular forces.
Step 5: Conclude that helium (He) behaves most ideally because it is small and has weak forces between its atoms.

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