A) \[3{{O}_{2}}2{{O}_{3}};\Delta H=-284.5\,kJ\]
B) Ozone undergoes addition reaction with unsaturated carbon compounds
C) Sodium thiosulphate reacts with \[{{I}_{2}}\]to form sodium tetrathionate and sodium iodide
D) Ozone oxidises lead sulphide to lead sulphate
Correct Answer: A
Solution :
The formation of ozone from oxygen is an endothermic reaction, not exothermic reaction. \[3{{O}_{2}}\xrightarrow[\text{discharge}]{\text{Electric}}2{{O}_{3}};\] \[\Delta H=-287\,kJ\] So, statement \[3{{O}_{2}}2{{O}_{3}};\Delta H=-284.5\,kJ\] is not correct statement.
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