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DeltaH value for the manufacture of NH(3...

`DeltaH` value for the manufacture of `NH_(3)` is `DeltaH=-91.8 kJ`. The correct thermo chemical equation for dissociation of `NH_(3)` is

A

`N_(2)+3H_(@)-91.8 rarr 2NH_(3)`

B

`2NH_(3) rarr N_(2) +3H_(2) DeltaH=+91.8 kJ`

C

`2NH_(3) rarr N_(2)+3H_(2)DeltaH=-91.8 kJ`

D

`1/2 N_(2)+3/2 H_(2) rarr NH_(3)DeltaH=+91.8 kJ`

Text Solution

Verified by Experts

The correct Answer is:
B
`2NH_(3) rarr N_(2)+3H_(2), DeltaH=91.8 kJ`
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