Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Correct Answer Both B & C

Since all the gases at same reduced pressure and temperature all the gases behaves similarly the compressibility factor will be same for all the gases.

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