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The value of DeltaH^(@) for the reaction...

The value of `DeltaH^(@)` for the reaction `Cu^(+)(g)+I^(-)(g)toCuI(g)` is -446kJ `mol^(-1)`. If the ionisation energy of `Cu(g)` is 745 kJ `mol^(-1)` and the electron affinity of I(g) is -295 kJ `mol^(-1)`, then the value of `DeltaH^(@)` for the formation of one mole of CuI(g) from Cu(g) and I(g) is:

A

`-446kJ`

B

450 kJ

C

594 kJ

D

4 kJ

Text Solution

Verified by Experts

The correct Answer is:
D
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OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
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  6. AB,A(2) and B(2) are diatomic molecules. If the bond enthalpies of A(2...

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  8. Which one of the following statement is false?

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  12. In thermodynamics, a process is called reversible when

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  13. The heat liberated when 1.89 g of benzoic acid is burnt in a bomb calo...

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  14. One mole of a non-ideal gas undergoes a change of state (2.0atm,3.0L,9...

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  15. Which of the reaction defines molar DeltaH(f)^(@) ?

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  17. Which of the following is true for spontaneous process?

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  18. Considering entropy (S) as a thermodynamics parameter, the criterion f...

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  19. An ideal gas expands from 1xx10^(-3)m^(3) to 1xx10^(-2)m^(3) at 300K a...

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