IIT-JEE 2008 Paper 1 Offline | Gaseous State Question 15 | Chemistry

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IIT-JEE 2008 Paper 1 Offline

MCQ (More than One Correct Answer)

-2

A gas described by van Der Waals equation

behaves similar to an ideal gas in the limit of large molar volumes.

behaves similar to an ideal gas in the limit of large pressures.

is characterized by van der Waals coefficients that are dependent on the identity of the gas but are independent of the temperature.

has the pressure that is lower than the pressure exerted by the same gas behaving ideally.

IIT-JEE 2006

MCQ (More than One Correct Answer)

-1

The given graph represents the variation of Z (compressibility factor $=\mathrm{PV} / n \mathrm{RT}$ ) versus P , for three real gases $\mathrm{A}, \mathrm{B}$ and C . Identify the only incorrect statement.

IIT-JEE 2006 Chemistry - Gaseous State Question 2 English

For the gas A, $a=0$ and its dependence on P is linear at all pressure.

For the gas $\mathrm{B}, b=0$ and its dependence on P is linear at all pressure.

For the gas C , which is typical real gas for which neither $a=0$ nor $b=0$. By knowing the minima and the point of intersection, with $Z=1, a$ and $b$ can be calculated.

At high pressure, the slope is positive for all real gases.

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