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For the reaction N(2)+3H(2)hArr2NH(3), D...

For the reaction `N_(2)+3H_(2)hArr2NH_(3)`, `DeltaH=?`

A

`DeltaE+2RT`

B

`DeltaE-2RT`

C

`DeltaE+RT`

D

`DeltaE-RT`

Text Solution

Verified by Experts

The correct Answer is:
B
`N_(2)(g)+3H_(2)hArr2NH_(3)(g)`
`Deltan_(g)=2-(1+3)=-2`
`:. DeltaH=DeltaE+Deltan_(g)RT`
`DeltaH=DeltaE-2RT`
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