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For H2(g)+I2(g)⇌2HI(g), triangle H=12.4 ...

For `H_2(g)+I_2(g)⇌2HI(g)`, `triangle H=12.4 K cal`. The enthalpy of formation of HI is:

A

12.4 K cal

B

-12.4 K cal

C

6.2 K cal

D

-6.2 K cal

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The correct Answer is:
C
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