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For which reaction from the following, D...

For which reaction from the following, `DeltaS` will be maximum?

A

`Ca(s)+1//2O_(2)(g)rarr CaO(s)`

B

`CaCO_(3)(s)rarr CaO(s)+CO_(2)(g)`

C

`C(s)+O_(2)(g)rarr CO_(2)(g)`

D

`N_(2)(g)+O_(2)(g)rarr 2NO(g)`

Text Solution

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. Two moles of an ideal gas expand spontaneously into a vacuum. The work...

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  2. One mole of a gas occupying 3dm^(3) expands against a constant externa...

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  3. For which reaction from the following, DeltaS will be maximum?

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  4. An adiabatic process is one in which :-

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  5. Entropy means

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  6. Delta S for the reaction : MgCO(3) rightarrow MgO(s) + CO(2)(g)

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  7. Change in entropy is negative for

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  8. In which reaction Delta S is positive :-

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  9. When the egg is hard boiled, there

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  10. If S^@" for "H(2), Cl2 and HCl are 0.13, 0.22 and 0.19" kJ K"^(-1)"mol...

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  11. Which has the least entropy :

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  12. When two gases are mixed the entropy :-

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  13. The enthalpy of vaporization for water is 186.5 KJ mol^(−1) ,the entro...

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  14. Calculate the enthalpy of vaporisation per mole for ethanol. Given Del...

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  15. If 900J//g of heat is exchanged at boiling point of water then water...

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  16. Calculate the enthalpy of vaporisation per mole for ethanol. Given Del...

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  17. 5 mole of an ideal gas expands reversibly from a volume of 8" dm"^(3)"...

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  18. In a spontaneous irreversible process the total entropy of the system ...

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  19. The total entropy change for a system and its surroundings increases, ...

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  20. Calculate the entropy of Br(2)(g) in the reaction H(2)(g)+Br(2)(g)rarr...

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