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Which of the following reaction is endot...

Which of the following reaction is endothermic ?

A

`CaCO_(3)(s)rarrCaO(s)+CO_(2)(g)`

B

`Fe(s)+S(s)rarr FeS(s)`

C

`NaOH(aq)+HCl(aq)rarr NaCl(aq)+H_(2)O(l)`

D

`CH_(4)(g)+2O_(2)(g)+2H_(2)O(l)`

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The correct Answer is:
A
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. In endothermic reactions,

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  2. Which of the following is an endothermic reaction?

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  3. Which of the following reaction is endothermic ?

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  4. Which one of the following is an exothermic reaction?

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  5. The formation of water from H2(g) and O(2)(g) is an exothermic process...

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  6. Which plot represent an exothermic reaction ?

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  7. Which of the following are applicable for a thermochemical equation ? ...

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  8. The correct thermochemical equation is :

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  9. The enthalpy changes of formation of the gaseous oxides of nitrogen (N...

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  10. In the reaction for the transition of carbon in the diamond form to ca...

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  11. Which plot represent an exothermic reaction ?

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  12. Which of the following value of DeltaH(f)^(@) represent that the produ...

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  13. S (rhombic) + O(2)(g) rightarrow SO(2)(g), Delta H = -297.5 kJ S(mon...

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

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

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

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

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

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

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

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