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Real Gases

Under which o...

Question

Under which of the following conditions, a real gas shows maximum deviation from the ideal behaviour?

100^{o}

C and

2

atm P

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0^{o}

C and

2

atm P

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- 100^{o}

C and

5

atm P

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500^{o}

C and

5

atm P

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Solution

The correct option is C $- 100^{o}$ C and $5$ atm P
Under the conditions $- 100^{o}$ C and $5$ atm P, a real gas shows maximum deviation from the ideal behavior.

At lowest temperature and highest pressure, the compressibility factor z, has high value.

$z = \frac{P V}{n R T}$
Higher is the value of z, higher is the deviation from ideal behavior.
Hence, option C is correct.

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