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Which of the following reactions is Delt...

Which of the following reactions is `Delta H` less than `Delta E` ?

A

`C_(12)H_(22)O_(11)(s)+6O_(2)(g)rarr 6CO_(2)(g)+6H_(2)O(l)`

B

`2SO_(2)(g)+O_(2)(g)rarr 2SO_(3)(g)`

C

`N_(2)O_(4)(g)rarr 2NO_(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
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  2. The difference in Delta H and Delta E for the combustion of methane at...

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  3. Which of the following reactions is Delta H less than Delta E ?

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  5. The workdone in ergs for the reversible expansion of one mole of an id...

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  6. Two liters of N(2) at 0^(@)C and 5 atm pressure is expanded isothermal...

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  7. Two moles of an ideal gas expand spontaneouly into vacuum. The work do...

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

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

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  10. An adiabatic process is one in which :-

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  11. Entropy means

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  12. Delta S for the reaction , MgCO(3)(s)rarr MgO(s)+CO(2)(g) will be :

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  13. Change in entropy is negative for

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  14. In which reaction Delta S is positive :-

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  15. When the egg is hard boiled, there is

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  16. If S^(@) for H(2),Cl(2) and HCl are 0.13, 0.22 and 0.19 KJ K^(-1)mol^(...

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  17. Which has the least entropy :

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  18. When two gases are mixed the entropy :-

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  19. If the enthalpy of vaporisation of water is 186.5 J mol^(-1), then ent...

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

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