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Which reaction is endothermic in nature ...

Which reaction is endothermic in nature ?

A

`CaCO_(3) to CaO + CO_(2)`

B

`Fe + S to FeS`

C

`NaOH + HCl to NaCl + H_(2)O`

D

`CH_(4) + 2O_(2) to CO_(2) + H_(2)O`

Text Solution

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The correct Answer is:
A
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FIITJEE-THERMODYNAMICS AND THERMOCHEMISTRY -ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-I
  1. Isothermally at 27^(@) C, 1 mole of van der Waals gas expands reversib...

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  2. Equal volumes of C(2)H(2) and H(2) are combusted under identical condi...

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  3. Heat of neutralisation of a strong dibasic acid in dilute solution by ...

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  4. The temperature of a 5mL of strong acid increases by 5^(@) when 5 mL o...

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  5. DeltaH(t)^(@) for CO(2)(g) and H(2)O(g) are -393.5, -110.5 and -241.8 ...

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  6. Given N(2)(g)+3H(2)(g)=2NH(3)(g),DeltaH^(@)=-22 kcal. The standard e...

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  7. The amount of energy released when 20 ml of 0.5 M NaOH are mixed with ...

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  8. Heat of combustion of CH(4),C(2)H(4),C(2)H(6) are -890,-1411 and -1560...

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  9. Heat of neutralisation of a strong acid by a strong base is equal to D...

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  10. In which case of mixing of a strong acid and a base each of 1N concent...

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  11. The enthalpy of neutralisation of HCl by NaOH IS -55.9 kJ and that of...

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  12. 10 mol of a gas is heated at constant pressure to raise its temperatur...

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  13. An exothermic reaction is one which

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  14. Which reaction is endothermic in nature ?

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  15. 2.1g of Fe combines with S evolving 3.77KJ . The heat of formation of...

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  16. When a certain amount of ethyene was combusted, 6226 kJ heat ws evolve...

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  17. The heat evolved in the combustion of 112 litre of water gas (mixture...

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  18. When one mole of an ideal gas is heated to twice of its initial temper...

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  19. The bond dissociation energy of C-H in CH(4) from the equation C(g)+...

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  20. Determine the heat of transformaiton of C(("dimamond"))rarrC(("graphi...

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