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Given , NH3(g)+3Cl2(g)⇌NCl3(g)+3HCl(g), ...

Given , `NH_3(g)+3Cl_2(g)⇌NCl_3(g)+3HCl(g), -triangleH_1 `
`N_2(g)+3H_2(g)⇌2NH_3(g), triangleH_2 `
`H_2(g)+Cl_2(g)⇌2HCl(g),+triangleH_3` The heat of formation of `NCl_3(g)` in the terms of `triangleH_1, triangleH_2 and triangle_3` is:

A

`triangleH_f=-triangleH_1+triangle_2/2 -3/2triangleH_3`

B

`triangleH_f=triangleh_1+triangleH_2/2 -3/2triangleH_3`

C

`triangleH_f=triangleh_1+triangleH_2/2 -3/2triangleH_3`

D

None

Text Solution

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The correct Answer is:
A
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