A) \[-20.6\]
B) \[8.8\text{ }kJ\]
C) \[BaC{{l}_{2}}(s)+2{{H}_{2}}O\xrightarrow{{}}BaC{{l}_{2}}.2{{H}_{2}}O(s),\]
D) \[29.4kJ\]
Correct Answer: A
Solution :
\[F{{e}^{2+}}+C{{e}^{4+}}\xrightarrow{{}}F{{e}^{2+}}+C{{e}^{3+}}\] \[5F{{e}^{2+}}+MnO_{4}^{-}+8{{H}^{+}}\xrightarrow{{}}5F{{e}^{3+}}+M{{n}^{2+}}\] \[+4{{H}_{2}}O\] \[\therefore \] \[\frac{Moles\,of\,ceric\,ammouium\,sulphate}{Moles\,of\,potassium\,permangnate}\]\[=\frac{1}{1/5}=5.0\]You need to login to perform this action.
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