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If S^(@) for H(2), CI(2) and HCI are 0.1...

If `S^(@)` for `H_(2), CI_(2)` and HCI are 0.13 , 0.22 and 0.19 `kJ K^(-1) mol^(-1)` respectively. The total change in standard entropy for the reaction `H_(2) + CI_(2) to 2 HCI` is

A

`20 JK^(-1) mol^(-1)`

B

`40 JK^(-1) mol^(-1)`

C

`60 JK^(-1) mol^(-1)`

D

`30 JK^(-1) mol^(-1)`

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The correct Answer is:
D
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