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

If the end 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)to2HB r(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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