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Reaction, H(2)(g)+I(2)(g)to2HI,DeltaH=12...

Reaction, `H_(2)(g)+I_(2)(g)to2HI,DeltaH=12.40kcal` ltbr. According to this, heat of formation of HI will be:

A

`12.40 kcal`

B

`-12.4kcal`

C

`-6.20kcal`

D

`6.20kcal`

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The correct Answer is:
D
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