Question

# At constant pressure of 0.0823 atm, log V vs log T are plotted for 3 mole samples of an ideal gas. V and T are in litre and K. Which of the following statements are not correct?

A

The curve is a straight line with slope −1.
B
The curve is straight line with slope +1.
C
The intercepet on Y−axis is equal to 2.
D
The intercepet on Y−axis is equal to 0.48

Solution

## The correct options are A The curve is a straight line with slope −1. C The intercepet on Y−axis is equal to 2.$$PV= nRT$$ or $$\displaystyle \log V = \log \:T + \log \frac{nR}{P}$$$$Slope=\tan \theta =\tan 45^{\circ}=1$$$$\displaystyle Intercept =\log \frac{nR}{P}=\log\left [ \frac{3\times 0.0821}{0.0821} \right ]=0.477121=0.48$$Options A and C are incorrect statements.Chemistry

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