A) \[BaC{{l}_{2}}.2{{H}_{2}}O(s)\]
B) \[-20.6\]
C) \[8.8\text{ }kJ\]
D) \[BaC{{l}_{2}}(s)+2{{H}_{2}}O\xrightarrow{{}}BaC{{l}_{2}}.2{{H}_{2}}O(s),\]
Correct Answer: C
Solution :
\[C{{H}_{3}}CHO\] (Valence factor for \[AgN{{o}_{3}}\]) \[{{u}_{rms}}\] (Valence factor for \[{{O}_{2}}\]) Meq. of \[{{O}_{2}}\] = Meq. of \[{{U}_{rms}}{{O}_{2}}=2\times {{U}_{rms}}O\] \[{{U}_{rms}}{{O}_{2}}=\frac{1}{2}\times {{U}_{rms}}O\] \[{{U}_{rms}}{{O}_{2}}=\frac{1}{3}\times {{U}_{rms}}\]
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