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If the bond energies of H-H, Br-Br and H...

If the bond energies of H-H, Br-Br and H-Br are 433, 192 and 364 KJ `"mol"^(-1)` respectively , then `DeltaH^(@)` for the reaction `H_(2)(g) + Br_(2)(g) to 2HBr(g)` is

A

`-261` kJ

B

`+103` kJ

C

`+261` kJ

D

`-103` kJ

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-THERMODYNAMICS-SECTION-A
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  11. If one mole of ammonia and one mole of hydrogen chloride are mixed in ...

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  12. In thermodynamics, a process is called reversible when

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