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

If the bond energies of `H-H, Br - Br and H - Br and 433, 192 and 364 mol^(-1)` respectively, the `DeltaH^(o)` 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`

Text Solution

Verified by Experts

The correct Answer is:
B
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