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Heat of formation, Delta H(f)^(@) of an ...

Heat of formation, `Delta H_(f)^(@)` of an explosive compound like `NCl_(3)` is -

A

Positive

B

Nagative

C

Zero

D

Positive or negative

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Verified by Experts

The correct Answer is:
A
Formation of `NCl_(3)` is an endothermic process.
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. Which of the following value of DeltaH(f)^(@) represent that the produ...

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  2. S(("rhombic"))+O(2(g))rarr SO(2(g)) , Delta H =-297.5 K J S(("monocl...

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  3. Heat of formation, Delta H(f)^(@) of an explosive compound like NCl(3)...

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  4. According to the following reaction C(S)+1//2O(2)(g)rarr CO(g), Delta ...

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  5. Which of the following represents an exothermic reaction :-

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  6. The heat change during the reaction 24g C and 128g S following he chan...

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  7. For the reaction ,3O(2)rarr 2O(3),DeltaH=+ve. We can say that :

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  8. From the reaction P(White) rarr P(Red) Delta H =-18.4KJ, it follows th...

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  9. In Kirchoff's equation which factor affects the heat of reaction :

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  10. For the reaction , H(2)(g)+1//2O(2)(g)=H(2)O(l), Delta C(p)=7.63 "cal/...

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  11. The enthalpy of a reaction at 273 K. is -3.57 KJ. What will be the ent...

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  12. For the reactions, (i) H(2)(g)+Cl(2)(g)rarr 2HCl(g)+ xKJ (ii) H(2)...

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  13. Since the enthalpy of elements in their natural state is taken to be z...

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  14. For the reaction H(2)+I(2)hArr2NHI, DeltaH=12.40 kcal. The heat of f...

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  15. At 300K , the standard enthalpies of formation of C(6)H(5)COOH((s),CO(...

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  16. Enthalpy of a compound is equal to its :- (When it is formed from cons...

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  17. Which of the following equations respresents standard heat of formatio...

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  18. The enthalpy of formation of ammonia is -46.0 KJ mol^(-1) . The entha...

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  19. Given the enthalpy of formation of CO(2)(g) is -94.0 KJ, of CaO(s) is ...

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  20. Given that standard heat enthalpy of CH(4), C(2)H(4) and C(3)H(8) are...

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