A) +450.3
B) +235.4
C) -156.7
D) +19.8
Correct Answer: D
Solution :
\[\Delta {{S}^{o}}=2{{S}^{o}}_{HCl}-({{S}^{o}}_{{{H}_{2}}}+{{S}^{o}}_{C{{l}_{2}}})\] \[=2\times 186.7-(130.6+223.0)\] \[=19.8\,J{{K}^{-1}}\,mo{{l}^{-1}}\] Hence, the correct option is [d].You need to login to perform this action.
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