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In which of the following equations Delt...

In which of the following equations `Delta H^(0)` reaction equal to `Delta H_(f)^(0)` for the product?

A

`2CO_(2(g)) + O_(2) rarr 2CO_(2)`

B

`N_(2(g)) + O_(3(g)) rarr N_(2) O_(3(g))`

C

`CH_(4(g)) + 2Cl_(2(g)) rarr CH_(2)Cl_(2(l)) + 2HCl_((g))`

D

`Xe_((g)) + 2F_(2(g)) rarr XeF_(4(g))`

Text Solution

Verified by Experts

The correct Answer is:
D
`Delta H_(f)` has to be from elements
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-LECTURE SHEET (EXERCISE-II) (LEVEL - I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  2. Which are of the following is an exothermic reaction?

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

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  4. The enthalpy of elements in their standard states are taken as zero. H...

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  5. Identify the reaction in which the heat liberated corresponds to the h...

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  6. In which of the following equations Delta H^(0) reaction equal to Delt...

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  7. C("graphite") + O(2(g)) : Delta H = -393.5 kJ. Delta H of the above re...

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  8. Given that (1)/(2)S(8(s)) + 6O(2(g)) rarr 4SO(3(g)), Delta H^(0) = - 1...

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  9. DeltaH^(0) for a reaction F(2) + 2HCl rarr 2HF + Cl(2) is given as -35...

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  10. The standard enthalpies of formation of H(2)O(2(l)) and H(2)O((l)) " a...

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  11. The heats of combustion of carbon hydrogen and acetylene are -394kJ, -...

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  12. Assertion (A): The enthalpy of formation of H(2)O((l)) is greater than...

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  13. Work done during the combustion of one mole of CH(4) in bomb calorimet...

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  14. The heats of combustion of ethane, ethene and acetylene are -341.1 kca...

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  15. The enthalpy change for the process C(("graphite")) rarr C(g), Delta H...

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  16. Enthalpy of neutralisation of all strong acids and strong bases has th...

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  17. H(2)SO(4(aq)) + 2KOH((aq)) rarr K(2)SO(4(aq)) + 2H(2)O((l)), Delta H f...

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  18. The enthalpy change for the reaction C(2)H(6(g)) rarr 2C((g)) + 6H((g)...

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  19. The bond dissociation energies for Cl(2),I(2) and Icl are 242.3, 151 a...

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  20. What is the bond enthalpy of Xe-F bond? XeF(4)(g) rarr Xe^(+) (g) + F^...

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