💨 Graham's Law of Effusion Simulator
Gaseous StateWhat's happening? Graham's law: rate of effusion is inversely proportional to sqrt of molar mass. Lighter gases effuse faster. H2 effuses 4x faster than O2!
Graham's Law is a most-searched and high-weightage topic in JEE Chemistry.
This concept appears in 1-2 questions every year. Understanding it visually builds the intuition needed to solve numerical problems fast.
Key formula
Graham's Law Formula
Core Formula
r1/r2 = sqrt(M2/M1)
Adjust the controls above and watch how changing each variable affects the result in real time.
JEE Application
This is one of the most-tested concepts in JEE. Master the formula and the visual intuition together.
Step-by-step
How to approach Graham's Law problems
- Identify the variables — list what's given and what's asked.
- Apply the core formula — r1/r2 = sqrt(M2/M1).
- Check units — convert to SI units before calculating.
- Verify with intuition — does the answer make chemical sense?
FAQs
Graham's Law Questions
How does this concept appear in JEE?
Expect 1-2 questions per paper. Focus on understanding the relationship between variables visually.
What's the most common mistake?
Using wrong units or forgetting to convert. Always check your units first.