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H2 + Cl2 rarr 2HCl + 44 K.Cal. Heat of f...

`H_2 + Cl_2 rarr 2HCl + 44` K.Cal. Heat of formation of HCl is 

A

`+ 44 K.Cal`

B

`- 44 K.Cal`

C

`+ 22 K.Cal `

D

`- 22 K.Cal`

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The correct Answer is:
D
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