JEE Advanced
- Exam
- JEE Advanced
- Subject
- Chemistry
- Chapter
- States of Matter
JEE Advanced · Chemistry · States of Matter
According to Maxwell's distribution of molecular speeds, for the...
According to Maxwell's distribution of molecular speeds, for the below graph drawn for two different samples of gases and at temperature and respectively, which of the following statements is/are INCORRECT:

Options
- AIf , then molecular mass of gas is greater than molecular mass of gas .
- BIf molecular mass of gas is equal to molecular mass of gas , then .
- CIf , then molecular mass of gas is necessarily less than molecular mass of gas .
- DIf gas is and gas is , then considering them to be ideal gases, is necessarily less than .
Correct answer
D. If gas is and gas is , then considering them to be ideal gases, is necessarily less than .
Step-by-step solution
At constant temperature, decrease in molecular mass causes flattening of the graph. For same molecular mass of gas, increase in temperature causes flattening of the graph.
But, can be less than or greater than 1
Similarly,
If gas is and gas is , then .