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Heat of combustion of CH4, C2H4, C2H6 ar...

Heat of combustion of `CH_4, C_2H_4, C_2H_6` are-890, -1411 and -1560 kJ/mol respectively. Which has the lowest calorific fuel value in kJ/g:

A

`CH_4`

B

`C_2H_4`

C

`C_2H_6`

D

All same

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Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-THERMODYNAMICS-Question Bank
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  2. The heat evolved during the combustion of 112 litre of water gas (mixt...

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  3. Heat of combustion of CH4, C2H4, C2H6 are-890, -1411 and -1560 kJ/mol ...

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  4. triangleH for CaCO3(s)rarrCaO(s)+CO2(g) is 176 kJ mol^-1 at 1240 K. T...

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  5. Energy required to dissociate 4 gms of gaseous hydrogen into free gase...

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  6. Energy change during neutralisation of NH4OH and HCl is :

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  7. From the thermochemical reactions, C graphite+1//2O2=CO, triangleH=-11...

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  8. Energy change during neutralisation of NH4OH and HCl is :

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  9. triangleH for thermal decomposition process is:

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  10. Hess's law of constant heat summation is an application of:

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  11. Bond energy of a molecule:

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  12. For the reaction, 3O2rarr2O3, triangleH=+ve. We can say that:

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  13. Which of the following is incorrect about the reaction,

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  14. The exchange of heat energy during chemical reaction at constant tempe...

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  15. Molar heat capacity of water in equilibrium with the ice at constant p...

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  16. Heat energy change during the chemical reaction, CO+1//2O2rarrCO2 is k...

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  17. When an exothermic is reversed, it:

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  18. Heat of formation of H2O(g) at 1 atm and 25^@C is -243 kJ. triangleE f...

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  19. The H-H bond energy is 430 kJ mol^-1 and Cl-Cl bond energy is 240 kJmo...

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  20. S+3//2O2rarrSO3 + 2x kcal SO2+ 1/2O2rarrSO3 + y kcal: The heat of ...

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