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Class 11
>>Chemistry
>>States of Matter
>>Gas Laws
>>Which curve in figure represents the cur
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Which curve in figure represents the curve of ideal gas?
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Correct option is A)
Correct Option: A
Explanation
The ideal gases are those which lack any forces of attraction between particles. These gases strictly follow the Kinetic Theory of gases.
According to this theory,
1. Gaseous particles are solid spheres.
2. These have no inter-particle forces acting in between.
3. These particles collide with the walls of container and all these collisions are elastic.
4. These collisions produce pressure.
Ideal gases follow the ideal gas equation which can numerically be represented as:
PV=nRT, where …(1)
P= Pressure
V= Volume
T= Temperature
n= Moles of gas
R= Ideal gas constant
Comparing equation (1) with equation for a straight line y=mx+c
y=PV
m=nRT
x=P
0
c=0
From the above, it is clear that for an ideal gas PV is independent to P.
Therefore, PV v/s P is a straight line.
Hence, line B represents the curve of ideal gas.
Answer:
Since, there is no deviation in curve B. So, curve B represents the curve for ideal gas.
The ideal gas law assumes that gases behave ideally, meaning they adhere to the following characteristics: (1) the collisions occurring between molecules are elastic and their motion is frictionless, meaning that the molecules do not lose energy; (2) the total volume of the individual molecules is magnitudes smaller.