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The bond energies of H--H , Br--Br and H...

The bond energies of `H--H` , `Br--Br` and `H--Br` are `433,, 192` and `364KJmol^(-1)` respectively. The `DeltaH^(@)` for the reaction
`H_(2)(g)+Br_(2)(g)rarr2HBr(g)` is

A

`- 261kJ`

B

`+103kJ`

C

` + 261kJ`

D

`-103kJ`

Text Solution

Verified by Experts

The correct Answer is:
d
`Delta_(r)H= SigmaBE` ( Reactants)`- Sigma` B.E.( Products)
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