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In the given reaction, Na(s)toNa(g) Th...

In the given reaction, `Na(s)toNa(g)`
The enthalpy of atomisation is same as the

A

enthalpy of dissociation

B

enthalpy of sublimation

C

enthalpy of association

D

enthalpy of vaporisation

Text Solution

Verified by Experts

The correct Answer is:
B
`Na(s)toNa(g),Delta_(g)H^(ө)=108.4kJmol^(-1)`
the enthalpy of atomisation is same as the enthalpy of sublimation.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CHEMICAL THERMODYNAMICS AND ENERGETIC-Exercise 1
  1. Which of the following is not an endothermic reaction?

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  2. Given : S((s))+(3)/(2)O(2(g))rarrSO(3(g)+2X Kcal SO(2(s))+(1)/(2)O(2...

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  3. In the given reaction, Na(s)toNa(g) The enthalpy of atomisation is s...

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  4. In the following process, H(2)(g) to 2H(g), " "Delta(H-H)H^(ө)=43...

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  5. Enthalpy of solution of NaOH (solid) in water is -41.6 kJ mol^(-1). Wh...

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  6. DeltaU^(@) for combustion of methane is -X kJ mol^(-1). The value of D...

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

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  8. For the given reaction, CH(4)(g)+2O(2)(g)toCO(2)(g)+2H(2)O(l) Sele...

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  9. What is Deltan(g) for the combusion of 1 mole of benzene, when both re...

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  10. Enthalpy change for the reaction, 4H(g)to2H(2)(g) is -869.5 kJ. Th...

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  11. The heat energy required to ionise the following molecules is given as...

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  12. Given that DeltaH(f)(H)=218kJ//mol, express the H-H bond energy in kca...

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  13. Calculate the difference between DeltaE and DeltaH for the following r...

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  14. The sublimation energy of l(2)(s) is 57.3 kJ/mol and the enthalpy of f...

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  15. The enthalpy of reaction, H(2)(g)+(1)/(2)O(2)(g)to H(2)O(g) is Delta...

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  16. The heat of neutralisation is highest for the reaction between

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  17. The H-H bond energy is 430 kJ mol^(-1) and Cl-Cl bond energy is 240 kJ...

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  18. Heat of formation off SO(2) is -298 kJ. What is the heat of combustion...

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  19. The quantity of heat measured for a reaction in a bomb calorimeter is ...

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  20. Heat capacity (C(p)) is an extensive property but specific heat (C) is...

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