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The compound with negative value of heat...

The compound with negative value of heat of formation are called `:`

A

Endothermic compound

B

Exothermic compound

C

Heat of formation compound

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaH=-ve` for exothermic compound.
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ERRORLESS -THERMODYNAMICS AND THERMOCHEMISTRY -ORDINARY THINKING (Objective Questions) Heat of reaction
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  3. The compound with negative value of heat of formation are called :

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  4. Evaporation of water is

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  5. If S+O(2)rarrSO(2),(DeltaH=-298.2) SO(2)+(1)/(2)O(2)rarrSO(3),(Del...

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  6. For the allotropic change represented by equation C(diamond) rarr C(gr...

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  7. The enthalpy change DeltaH for the neutralisation fo 1M HCI by caustic...

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  8. A reaction that takes place with the absorption of energy is

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  9. A solution of 500 ml of 0.2 M KOH and 500ml of 0.2 M HCl is mixed and ...

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  10. In which of the following reaction does the heat change represent the ...

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  12. In the complete combustion of butanol C(4)H(9)OH(l), if Delta H is ent...

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  13. The heat of combustion of CH(4)(g), C (graphite), H(2)(g) are 20kcal, ...

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  14. Calculate DeltaH^(@) for the reaction Na(2)O(g)+SO(3)(g)toNa(2)SO(4)...

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  15. When a strong acid, strong base or their salt are dissolved in water, ...

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  16. 2.1g of Fe combines with S evolving 3.77KJ . The heat of formation of...

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  17. Which compound will absorb the maximum amount of heat when dissolved i...

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  18. In the reaction C+2SrarrCS(2)+DeltaH, DeltaH is the

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  19. The following thermochemical reactions are given : M+(1)/(2)O(2)to M...

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  20. A cylinder of gas is assumed to contain 11.2 kg of butane (C(4)H(10))....

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