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The compressibility factor for a real ga...

The compressibility factor for a real gas at high pressure—

A

`1`

B

`1 + Pb/RT`

C

`1 - Pb/RT`

D

`1 + RT/Pb`

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Let us consider 1 mol of gas. If It Is an ideal gas then (Poverset-V)/(RT) = 1 where , overset-V = molar volume of a gas For a non-ideal gas this quotient may not be equal to 1. It can also be less than or greater than 1. Therefore, the above quotient is defined as compressibility factor Z. Z = (Poverset-V)/(RT) = (Molar volume of real gas)/ (Molar volume of ideal gas) The compressibility factor of real gases can be written as Z = (Poverset-V)/(RT)=1+B/overset-V+C/overset-(v^2)+D/overset-(v^3)......(Viral equation) Where B,C,D are called virial coefficients and are dependent on the nature of the gas and temperature. B=(b-a/(RT)) .At Boyle’s temperature,second virial coefficient becomes zero. when Zgt1 repulsive forces are dominant and when Zlt1 the forces of attraction are dominant. Which of the following statements is correct ?

UNITED BOOK HOUSE-MODEL QUESTION PAPER 8-EXERCISE
  1. Among the following, the maximum covalent character is shown by.

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  2. Which of the following hydrogen bonds is strongest?

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  3. The compressibility factor for a real gas at high pressure—

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  4. For which reaction, change of entropy will be positive—

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  5. Which one of the following is correct?

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  6. For the reactions : A overset (rightarrow) (leftarrow) B, KC = 1 B ove...

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  7. Which of the following compounds is a peroxide—

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  8. NO2 is not obtained on heating?

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  9. The major product 'P' of the following reaction is

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  10. Which of the following compounds is most reactive towards electrophili...

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  11. Chlorosis is caused by —

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  12. The emperical formula of glucose is.

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  13. Write Duiong and Petit’s law. How do you determine the atomic weight o...

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  14. Which one of the following ionic species has theleast ionic radius? F^...

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  15. Two elements have outer most electronic configuration as 2s^2 and 2s^2...

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  16. Define an adiabatic process.

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  17. Derive the relation between vapour density of a gas and it’s molecula...

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  18. What its the number of revolution per second of revolving electron in ...

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  19. If ionising energy of ‘H’ atom is 13.6 eV, then what is the second ion...

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  20. Explain why PbI4 does not exist.

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