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Which of the following reactions repres...

Which of the following reactions represents `Delta H` (hydration) :-

A

`CuSO_(4)(s)+(aq)rarr CuSO_(4)(aq) , Delta H=- x KJ`

B

`BaCl_(2)(s)+2H_(2)O(l)rarr BaCl_(2). 2H_(2)O(s) , Delta H=-x' KJ`

C

`CuSO_(4)(s)+5H_(2)O(l)+(aq)rarr CuSO_(4). 5H_(2)O(aq) , Delta H =-y' KJ`

D

None of the above

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. The enthalpy change for chemical reaction is denoted as DeltaH^(Theta)...

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  2. 2CO((g))+O(2(g))rarr 2CO(2(g))+X KJ In the above equation X KJ refers ...

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  3. Which of the following reactions represents Delta H (hydration) :-

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  4. Delta H for the reaction, I((g))+I((g))rarr I(2(g)) will be :-

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  5. Given that , A(s) rarr A(l)DeltaH=x A(l) rarr A(g), DeltaH=y The...

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  6. The enthalpy change of a reaction does not depend on

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  7. From the thermochemical reactions, C(graphite)+1//2O(2)rarr CO , Delta...

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  8. If H(2)+1//2O(2)rarr H(2)O , Delta =-68.39 Kcal K+H(2)O+ "water" rar...

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  9. Given C(s)+O(2)(g)rarr CO(2)(g)+94.2 Kcal H(2)(g)+2O(2)(g)rarr CO(2)...

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  10. From the following data, the heat of formation of Ca(OH)(2)(s) at 18^(...

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  11. If, H(2)(g)+Cl(2)(g)rarr 2HCl(g) , Delta H^(@)=-44 Kcal 2Na(s)+2HCl...

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  12. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

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  13. If S +O(2) rarr SO(2), DeltaH =- 298.2 kJ SO(2)+1//2O(2) rarr SO(3),...

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  14. Givecn that : Zn+1//2O(2)rarr ZnO+84000 cal ……………1 Hg+1//2O(2)rarr...

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  15. Given that - 2C(s)+2O(2)(g)rarr 2CO(2)(g) Delta H = -787 KJ H(2)(g...

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  16. Find the heat change in the reaction : NH(3)(g)+HCl(g)rarr NH(4)Cl(s) ...

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  17. The heat of reaction of A+(1)/(2)O(2)rarr AO is -50 K call and AO+...

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  18. C(s)+O(2)(g)rarr CO(2)(g)+94.0 K cal. CO(g)+(1)/(2)O(2)(g)rarr CO(2)...

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  19. Using the following thermochemical data. C(S)+O(2)(g)rarr CO(2)(g), ...

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  20. The enthalpy of vapourisation of liquid water using the data : H(2)(...

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