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For which reaction, change of entropy wi...

For which reaction, change of entropy will be positive—

A

`H_2 (g) +I_2 (g) overset (rightarrow) (leftarrow) 2_HI (g)`

B

`HCI (g) + NH_3 (g) overset (rightarrow) (leftarrow) NH_4CI (s)`

C

`NH_4NO_3 (s) overset (rightarrow) (leftarrow) N_2O (g) + 2 H_2O (g)`

D

`MgO (s) + H_2 (g) overset (rightarrow) (leftarrow) Mg(s) + H_2O (g)`

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 8-EXERCISE
  1. Which of the following hydrogen bonds is strongest?

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

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

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  4. Which one of the following is correct?

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

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  6. Which of the following compounds is a peroxide—

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  7. NO2 is not obtained on heating?

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

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

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  10. Chlorosis is caused by —

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  11. The emperical formula of glucose is.

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

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

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

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  15. Define an adiabatic process.

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

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

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

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  19. Explain why PbI4 does not exist.

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  20. What happens when SiO2 is treated with HF.

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