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If S^@ for H2, Cl2 and HCl are 0.13, 0.2...

If `S^@` for `H_2, Cl_2` and HCl 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+Cl_2rarr2HCl is:`

A

`30 JK^-1 mol^-1`

B

`40 JK^-1 mol^-1`

C

`60 JK^-1 mol^-1`

D

`20 JK^-1 mol^-1`

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The correct Answer is:
A
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