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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

`+ 103 KJ`

B

`+261kJ`

C

`–103 kJ`

D

`–261 kJ`

Text Solution

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The correct Answer is:
C
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