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The gas with the highest heat of combust...

The gas with the highest heat of combustion is `:`

A

Methane

B

Ethane

C

Ethene

D

Ethyne

Text Solution

Verified by Experts

The correct Answer is:
B
Gas with highest number of `C` atoms and having all single bonds should have highest value of `DeltaH_(comb)`.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
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  3. The gas with the highest heat of combustion is :

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  4. Given NH(3)(g)+3Cl(2)(g)toNCl(3)(g)+3HCl(g)+x(1) N(2)(g)+3H(2)(g)t...

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  5. A scientist needs a refrigeration machine to maintain temperature of -...

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  6. Under the same conditions, how many mL of 1M KOH and 0.5M H(2)SO(4)sol...

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  7. The standard molar heats of formation of ethane, carbon dioxide, and l...

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  8. The enthalpy of combustion of H(2) , cyclohexene (C(6)H(10)) and cyclo...

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  9. Which of the following is an endothermic reaction?

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  10. The heat released when NH(4)OH and HCl neutralise is

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  11. The difference between the heats of reaction at constant pressure and ...

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  12. Which of the following equations represents standard heat of combustio...

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  13. Identify the state quantiy among the following

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  14. The DeltaH(f)^(@) for CO(2)(g), CO(g) and H(2)O(g) are -395.5,-110.5 a...

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  15. Which of the following statement is false ?

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  16. In thermodynamics, a process is called reversible when

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  17. One mole of non-ideal gas undergoes a change of state (2.0 "atm", 3.0 ...

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  18. Which of the following reactions will define DeltaH(f)^(@) ?

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  19. The enthalpy of vaporisation of a liquid is 30 kJ mol^(-1) and entropy...

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  20. Two moles of an ideal gas is expanded isothermally and reversibly from...

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