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The standard entropies of N2(g), H2(g) a...

The standard entropies of `N_2(g), H_2(g)` and `NH_3(g)` are `191cdot5, 130cdot5` and `92cdot6 Jk^(-1) mol^(-1)` respectively. The value of `DeltaS^@` of formation of ammonia is

A

`-98cdot9 JK^(-1) mol^(-1)`

B

zero

C

`+129cdot4 JK^(-1) mol^(-1)`

D

`-29cdot4 JK^(-1) mol^(-1)`

Text Solution

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The correct Answer is:
A
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