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Which of the following is an endothermic...

Which of the following is an endothermic reaction?

A

`2H_(2)(g)+O_(2)(g)rarr 2H_(2)O(l)`

B

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

C

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

D

`C_(2)H_(5)OH(aq)+3O_(2)(g)rarr 2CO_(2)+2H_(2)O(l)`

Text Solution

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The correct Answer is:
B
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ALLEN-THERMODYNAMICS -EXERCISE -3
  1. An exothermic reaction is one in which the reacting substances :

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  2. In endothermic reactions the reactants :

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  3. Which of the following is an endothermic reaction?

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  4. Which of the following reaction is endothermic?

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  5. Which one of the reaction is an exothermic reaction

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  6. The formation of water from H(2)(g) and O(2)(g) is an exothermic proce...

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  7. Which plot represents for an exothermic reaction ?

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

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  9. The correct thermochemical equation is :

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

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  11. Delta H for transition of carbon in the diamond form to carbon in the ...

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  12. Which respresent an exothermic reaction :-

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

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

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

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

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

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

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

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

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